Water reacts with minerals in some rocks and very slowly dissolves the rock. What type of weathering does this demonstrate?
Answer:
Salt wedging
Explanation:
Salt wedging is a natural phenomenon which occurs in rocks and stones. It is a physical weathering process. It is a process by which water enters into the small cracks on the rocks and form salt like NaCl and thereby enlarging the cracks.
Most water contains dissolved salts and when water enters into the small cracks of the rocks, the salt begins to grow and it exerts pressures on the walls of the crack thereby enlarging the cracks.
This type of phenomenon is mostly seen near the seacoast and in the arid regions.
Thus water reacts with the minerals in the rock and slowly dissolves the rock in salt wedging weathering process.
The energy that powers photosynthesis comes from
A. oxygen.
B. water.
C. the sun.
D. chemicals.
Answer:
sun but am not so sure about it
What is the difference between mold and cast fossils? A Mold fossils fom from collected minerals and cast fossils do not B. Mold fossils are impressions intock and cast fossils fomm from minerals filling molds cast fossils are impressions Into rock and mold fossils form from minerals filling casts Cast fossils are formed in sedimentary rock but mold fossils are not
An elephant has a long, powerful trunk. According to the ideas of Lamarck, how did the trait of long, powerful trunks develop in elephants?
Answer:
Gradually, as generations of elephants continued to selectively use and develop their trunks.
Explanation:
Jean-Baptiste Lamarck was famous French Naturalist. He was a soldier, a biologist and an academic. He gave an early theory of evolution known as the theory of Lamarckism.
It was Lamarck who first believed that elephants earlier had small trunks. But eventual when there was scarcity of food and water, the elephants stretched out its trunk to reached out for food such as trees and also water. And as a result their offspring inherited long and powerful trunk.
In his theory of Lamarckism, he believed that the species passes on its traits to the offspring which they acquired through their use in their lifetime. In this case, the elephants might have used their trunks in such a way that they became long and strong over time and they passed tis trait to their babies.
PLEASE ANSWER THIS DUE BY 3:00 PM PLEASE
THIS IS NOT MULTIPLE CHOICE AND I DID NOT MEAN TO SELECT D.
( I put a better view of the graph)
Answer:
option C suits the best
Explanation:
The answers and why they are correct or incorrect:
A:
Incorrect because it cannot be answered with the graph and does not apply.
B:
Incorrect since the loudest sound ever recorded is not on the graph.
C:
Correct because the graph shows the difference Between normal conversation vs whispering.
D:
Incorrect, because like the first one it cannot be answered with this graph and makes no sense.
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Why does the Earth orbit the sun? Why doesn't it just fly out into space?
A.electromagnetic energy
B.magnetic field
C.the sun is a star
D.gravity
Answer:
d
Explanation:
Just as the Moon orbits the Earth because of the pull of Earth's gravity, the Earth orbits the Sun because of the pull of the Sun's gravity.
A study is done to compare the fuel efficiency of cars the first group of cars generally gets 35 miles per gallon the second if a car is generally gets about 50 miles per gallon based on the mean values of each group what inference can be made what else might a person to conclude from mean values
Answer:
The effeinty
Explanation:
10. are a type of producer found in aquatic environments. In a particular lake, the phytoplankton have begun to
reproduce much more rapidly and grow much faster, causing a green "bloom” to cover the whole surface of the
lake. Which of the following is the most likely cause of this bloom"?
Answer: I think that it would be C because blooms are due to eutrophication, which means that there are high levels of phosphate in the water. Phosphate is a main ingredient in pesticides, which can run-off into rivers.
Cytotoxic T cells protect the body by _____________.
A. secreting toxic substances that destroy pathogens
B. phagocytizing invaders
C. activating the complement system
D. making antibodies that float free in the body fluids
In a sample of double stranded dna if 27% of the nitrogenous bases are thymine what percentage of nitrogenous bases are cytosine?
Answer:
73%
Explanation:
Given: 27%
To find: Percentage of nitrogenous bases are cytosine
Solve: [tex]\frac{27}{100}[/tex] × [tex]\frac{100}{1}[/tex]
Firstly, divide 100% by thymine and cytosine
[tex]\frac{100}{2}[/tex] = 50
Now, If it is 50 / 50, but thymine has 27 then subtract 27 from 100
100 - 27 = 73
So, the percentage of nitrogenous bases are cytosine 73%
HELPPP PLEASEEE
4 ANNOTATE Use the correct terms to complete this diagram showing the reactants and
products for each chemical reaction.
Answer:
Explanation:
Photosynthesis
Reactants: Carbon dioxide and water
Products: Glucose and oxygen
Respiration
It's the opposite of photosynthesis:
Reactants: glucose and oxygen
Products: Carbon dioxide and water
In males, the 4 haploid or diploid cells at the end of Meiosis 2 become 4 sperm cells.
List the possible phenotypes for rat eye color.
Complete burning of fossil fuels releases carbon primarily to what part of the biosphere?
NO LINKS OR I WILL REPORT YOU!
Answer:
Atmosphere
Explanation:
carbon dioxide is naturally released into the atmosphere by the decay and flatulance of animals. But you extract fossil fuels from the ground and burn them. The burning of fossil fuels is called combustion.
I need help with this ASAP
Answer: tissues, organs, organ system
Explanation:
goes from top to bottom
is it true that The age of a rock given as the number of years since the rock
formed is called its relative age.
Answer:
The age of a rock in years is called its absolute age.
Which of these is NOT a reason organisms migrate?
A reproduction
B warmer temperatures
C higher availability of food to find more
Is there supposed to be another answer choice?
Definition: a macromolecule that contains carbon, hydrogen, oxygen, and nitrogen, which is used by the body for growth and repair.
Answer:
Proteins
Explanation:
Proteins are the main building block of the body. They are required for proper growth of the organism.
Question #1: Which classification level is the most inclusive or least specific?
1. Kingdom
2. Domain
3. Species
4. Genus
———————————————
Question #2: Fungi and Plantae are different from each other because fungi are heterotrophs and plantae are autotrophs.
True or False?
———————————————
Question #3: In binomial nomenclature the first name is the _____ and the second is the _____.
1. genus; species
2. kingdom; domain
3. order; species
———————————————
Question #4: Binomial Nomenclature is a ________________.
1. two term naming system
2. a species found in the Amazon
3. organism cell structure
4. a form of cell
———————————————
I will give brainliest!
need help, will mark brainliest! plsss.
Which of the following is *not* a physiological mechanism regulated by timing?
Circadian rhythms in eukaryotes
Hibernation of animals during winter
Photoperiodism to direct the flowering of plants- i think its this one
Viral reproduction in a host cell
Hello, I Am BrotherEye
Answer: Physiological mechanisms explain any health-related events or outcomes. Physiological mechanisms can be altered voluntarily. For example, exercise causes alteration in the cardiac physiology of resting state. ... Multiple physiological mechanisms are responsible for survival of an individual.
Explanation:
It Is Simple Find The Answer Choice That Is The Opposite Of The One Above
In the 1960s, homeostatic regulatory mechanisms in physiology began to be used to describe what normally happens to the value of the regulated variable over time. The body does not possess a physiological sensor for detecting these
I hope that this helps
Which is the correct order of processes that occur as water moves from a lake to a cloud and then back to Earth's surface? evaporation, condensation, precipitation O condensation, evaporation, precipitation O precipitation, condensation, evaporation O evaporation, precipitation, condensation
Answer:
evaporation condensation precipitation
Explanation:
evaporation is the process in which the water turns into vapor rising to the earths atmosphere. there because of low temperature it turns into condensation, because of its weight it then fall back to earth a process known as percipitation. let me know if this helps thanks
Answer:
A
Explanation:
5. What helps predict the weather now? A. tea leaves B. sky color C. radios D. computers
Should be D. Bc of satellites being kinda similar to a computer.
I think it's C.
Hope it helps
There plz help me :(((
Answer:
Your answer would be Horse chestnut
Answer:
hello how are you
Explanation:
I'm fine
located at the top of the trachea, the _____ helps a person speak.
Answer:
It is either the epiglottis or larynx
Explanation:
need answer quick please thanks
beta cells in the pancreas
Explanation:
the cells make other cells in order to keep you blood cells moving
What process contains the enzymes that break the chemical bonds in your food in order to create usable energy?
Answer:
Cellular respiration
Explanation:
This is because cellular respiration is an aerobic process where the chemical bonds in food are broken down to release energy. This process produce energy which are useful for the body cells. Cellular respiration help to break down glucose. Glucose and oxygen are converted to carbondioxide and water and energy is released which form ATP.
7. Fill in the blanks using the words: glucose | monosaccharide | energy | carbon | lipids | C6H12O6 | polysaccharide | carbohydrates All matter, must contain ________________________ to be considered organic. ______________________________, composed of starches and sugars are generally used in cells as a source of ___________________________. If a carbohydrate has more than one sugar, it is considered a _________________________________. The single subunit of a polysaccharide is a __________________________________. An example of a monosaccharide is __________________________ and its formula is ___________________________.
Answer:
Carbon, carbohydrates, energy, Polysaccharide, glucose, C6H12O6.
Explanation:
All organic matter must contain carbon in its composition then it can be considered as organic compound. Carbohydrate is composed of starches and sugars are generally used in cells as a source of energy. If a carbohydrate has more than one sugar, it is considered as a Polysaccharide. The single subunit of a polysaccharide is a glucose. An example of a monosaccharide is glucose and its formula is C6H12O6 . If a carbohydrate has one sugar, it is considered as a Monosaccharide whereas If a carbohydrate has two sugar, it is considered as a Disaccharide
The correct words for the given blanks are:
1. All matter, must contain carbon to be considered organic. Organic compounds are those compounds that have carbon and hydrogen bonds.
2. Carbohydrate is composed of starches and sugars are generally used as a source of energy. Starch is a stored form of energy in plants, whereas humans have glycogen as the stored form of energy.
3. If a carbohydrate has more than one sugar, it is considered a polysaccharide. Polysaccharides are starch, glycogen, and maltose.
4. The single subunit of the polysaccharide is a monosaccharide. It is the basic form of polysaccharides, which are combined by glycosidic bonds to form oligo or polysaccharides.
5. An example of a monosaccharide is glucose. Glucose is the primary substance required for the production of energy. Its formula is [tex]\rm C_6H_{12}O_6[/tex].
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Explain why flask #2 (yeast with glucose) produced more CO2 than flask #5 (yeast with flour). AND how did you know it produced more CO2?
Answer: Glucose
Explanation:
The carbon dioxide produced in the experiment can be directly related to the energy generated after the fermentation process. The carbon dioxide is the byproduct of the chemical reactions in the ethanolic fermentation. Glucose substrate will yield the highest energy along with the highest producer of the carbon dioxide after the fermentation process conducted by yeast as compared to the fermentation process that was conducted by yeast with flour. The flour will offer a source of carbohydrates including starch and sugars. The yeast will find out sugar in the flour and ferment it. Glucose is readily available sugar for the action of yeast so more production of carbon dioxide is expected from glucose substrate.
Question 21 (1 point) Sustainable use is often defined as the use of natural resources at a rate that meets the needs of the present human population but which also allows future generations to use the resource to meet their needs. Which of these BEST illustrates the concept of sustainable use? A fishing trawler uses a large net to catch a school of small fish A logging company reseeds and replants in a forested area after cutting down trees for timber Crops are rotated in a farmer's field to maximize grain yields Coal is mined using underground tunnels to avoid the destruction of surface soils by strip mining
Answer:
A logging company reseeds and replants in a forested area after cutting down trees for timber
Explanation:
Answer:
Sustainability is the capacity to endure in a relatively ongoing way across various domains of life.[1] In the 21st century, it refers generally to the capacity for Earth's biosphere and human civilization to co-exist. It is also defined as the process of people maintaining change in a homeostasis-balanced environment, in which the exploitation of resources, the direction of investments, the orientation of technological development, and institutional change are all in harmony and enhance both current and future potential to meet human needs and aspirations.[2][failed verification] For many in the field, sustainability is defined through the following interconnected domains or pillars: environmental, economic and social,[3] which according to Fritjof Capra,[4] is based on the principles of systems thinking. Sub-domains of sustainable development have been considered also: cultural, technological and political.[5][6] According to Our Common Future, sustainable development is defined as development that "meets the needs of the present without compromising the ability of future generations to meet their own needs."[7][8] Sustainable development may be the organizing principle of sustainability, yet others may view the two terms as paradoxical (seeing development as inherently unsustainable).[9]
Explanation:
the process which takes place in guard cells but not in other epidermal cells is?
Answer:
guard cells chloroplasts , involved in the photosynthesis where epidermal cells are living cells covering the outside surface of the herbaceous plants they contain a thick covering of cutting which reduces the water loss from Plants epidermal cells in roots are specialized for water and ion absorption don't know if it helped but good luck
Photosynthesis
The process by which green plants and some other organisms use sunlight to synthesize foods from carbon dioxide and water. The upper and lower epidermal cells do not have chloroplasts, thus photosynthesis does not occur there.
Difference in guard and epidermal Cells:Two guard cells form a stoma, controlling the gas exchange of the plant by regulating the size of the stoma whereas epidermal cells provide a protection to the plant from the external environment.
Photosynthesis does not take place in epidermal cell because:The epidermal cells that make up this skin are transparent. As most epidermal cells lack chloroplasts, they can't perform photosynthesis, or the use of sunlight to convert carbon dioxide and water into glucose and oxygen.
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