4. You must build a model of an aquifer for a science
project. What material would be the best to use
for the layer that will hold water?
a. an impermeable material, such as clay
b. a liquid, such as oil
c. a permeable material, such as gravel
d. a material that does not have pores

Answers

Answer 1

Answer:

I would say A

Explanation:


Related Questions

HURRY PLS HELP FAST!! Surface water currents are important because they_________ Question 1 options: A. maintain salinity levels in the ocean B. distribute fresh water to northern latitudes C. distribute heat around the planet and influence climate. D. None of the above

Answers

Answer:

i nee help too

Explanation: answer in the comment

Describe how the egg gets from the ovary to the site of fertilisation.

Answers

Answer:

The ovaries produce the egg cells, called the ova or oocytes. The oocytes are then transported to the fallopian tube where fertilization by a sperm may occur. The fertilized egg then moves to the uterus, where the uterine lining has thickened in response to the normal hormones of the reproductive cycle.

Explanation:

I hope it helps you *(^ - ^ )*

Which of the following best describes the velocity of an object?
30 m east
30 m/s2
30 m/s
30 m/s east

Answers

The correct answer is B.

Answer:

The correct answer is :B

Explanation:

I just know it is so trust me :)

The following statement from the video suggests the use of which standard of science to assess RELIABILITY?

"Simulation experiments can not tell us exactly how life formed in the past, but if enough of them are done it could eventually tell us if it's possible for life to emerge from chemistry"

options:

Empirical & Measurable Evidence

Sufficient Sample Size

Replication of Results

Concept of Falsification

Answers

Answer:

number three,3,option3

Explanation:

help me pls!!!!!!!!!!!!

Answers

Explanation:

i don't understand the part I

part II

Amino acid

Hydrocarbon

Protein

Deoxyribonucleic acid

Nucleotide

Photosynthesis

Explain- Why are tobacco,alcohol and ultraviolet radiation listed as carcinogens in the table?

Answers

They can cause changes in a certain cell that can cause the growth or death in a cell.

After large scale fishing, which populations of organisms are
becoming more rare? Why?

Answers

I’m pretty sure it’s fish

Not all traits are determined solely by genes. Many traits have been found to exhibit phenotypic plasticity, which
occurs when individuals with the same genotype exhibit different phenotypes in different environments. Which of the
following is an exampleof phenotypic plasticity?
Well-maintained hedges can be shaped into artistic displays.
O A person who experienced malnutrition as a child is short in stature as an adult.
O Bears living in the arctic developed white fur and cold tolerance over many generations.
Certain breeds of dog have been bred for specific traits, such as poodles being bred for intelligence.

Answers

Answer:

O A person who experienced malnutrition as a child is short in stature as an adult.

Explanation:

Height is a quantitative trait, i.e., a phenotypic trait that depends on the combined action of many genes and the environment. Moreover, phenotypic plasticity can be defined as the ability of one genotype to produce different phenotypes in different environments. In consequence, quantitative traits are influenced by environmental factors and exhibit phenotypic plasticity. Quantitative traits are characterized to have a large variety of phenotypes and follow a normal distribution (a bell-shaped curve) when they are drawn.

write a note on profundal zone​

Answers

Answer:

Profundal zone is the deep water zone of any lentic water body i.e. lake or a pond where the light can no longer penetrate because it is located below the range of effective penetration of light mostly below the thermocline. The lack of light and oxygen determines the type of biological community living there

The main difference between the four nucleotides that make up DNA is that they have differentRequired to answer. Single choice.

Answers

Answer:

bases.

Explanation:

Nucleotides are the basic building blocks that make up DNA, consisting of a deoxyribose sugar, phosphate group, and nitrogenous base. The main difference between the four nucleotides is the nitrogenous base, Adenine, Thymine, Guanine, or Cytosine. Adenine pairs with Thymine, and Guanine pairs with Cytosine. The order in which these pairs come in code for proteins and hold genetic information.

Please help #4.
If you help me i will love you

Answers

the answer is pancreas

Answer:

D. Brain

C. Pancreas

Explanation:

Your brain regulates the hormones produced by the pituitary gland. your pancreas produces hormones to help digestion.

explain how do community issues matter for health?​

Answers

Answer:

Personal health refers to the overall well being of an individual but human beings live in community Therfore health of the community is an important factor for an individuals health community health refers to the maintainance, protectection and improvement of the whole community in which an individual dwells

in what ways are plants and animals dependent on eachother?

Answers

Answer:

Animals like herbivores and omnivores depend on plants for their food

Plants depend on animals

Plants also provide shelter for animals

They make oxygen for the animals to live.

When animals are dead the slowly decompose to form a natural manure

for the plants

Animals breath out carbon dioxide which is needed for plant for the process of photosynthesis

hope it helps <3

Which part of a plant cell contains chromosomes?

Answers

Answer:

Its the nucleus.

The Nucleus contains chromosomes

Which of the following is a problem faced by the global economy? A. Decreasing cost of renewable resources O B. Increasing greenhouse gas emissions C. Increasing environmental awareness D. Decreasing human population​

Answers

Answer:

B. Increasing greenhouse gas emissions

Explanation:

Increasing greenhouse gas emission leads to the global warming which is not only harmful for environment but also harmful for global economy.

Increasing emission of greenhouse gases rises the CO2 levels in the atmosphere which lowers the nutritional value of crops and highly affects the agricultural economy of the globally.

Greenhouse gases increases demand of space cooling which eventually decrease the demand for space heating, which is very costly.

Increasing emission of greenhouse gases has direct impact on climate change and climate change has indirect impact on several sectors which affect economy globally such as mining, manufacturing, trade, and finance.

Hence, the correct answer is "B. Increasing greenhouse gas emissions".

describe the effects that fire in the temperate grasslands biome has on grasses and on trees​

Answers

Answer:

When fire is suppressed, the vegetation eventually converts to scrub and dense forests. Often, the restoration or management of temperate grasslands requires the use of controlled burns to suppress the growth of trees and maintain the grasses. Burning causes new grass to grow, which brings back the grazing animals.

Explanation:

What is the is the difference between the littoral and limnetic zone?

Answers

Answer:

The topmost zone near the shore of a lake or pond is the littoral zone. The near-surface open water surrounded by the littoral zone is the limnetic zone. The limnetic zone is well-lighted (like the littoral zone) and is dominated by plankton, both phytoplankton and zooplankton.

Explanation:

Can someone help with this bio please, thank you!

Answers

I believe the false one is A/ #1 because after meiosis you have 4 haploid daughter cells so all the other answers should be right but I’m not completely sure.

HEEEELLLPPPPPPPPP
Awarding points and brainliest answer
Phenotypic similarity does not always reflect evolutionary relationships due to:

Check all that apply
Are the answers B and C?

A) variation in rates of evolutionary change among species
B) homoplasy
C) convergent evolution
D) outgrouping

Answers

Answer:

A po

Explanation:

hope its help you with

A abcdefghijklmnopqrstuvwxyz

Identify 3
similarities of plant
and animal cells.

Answers

They both have a nucleus, ribosomes,and vacuoles

In which part of a plant does photosynthesis take place?

Answers

In the chloroplasts of the plant.


HELP ASAP!!!

What effect does aerosol pollution have on climate?
A. Permafrost thawing
B. Atmospheric cooling
C. Sea level rising

Answers

Answer:

Aerosols can influence the Earth's climate in two ways. When the sky is clear (devoid of clouds), aerosols can reflect incoming sunlight back to outer space – the direct effect. This blocks part of the energy that would have reached the surface, thus having a cool effect on the climate.

Explanation:

Aerosol pollution has an atmospheric cooling effect on the climate. Therefore option B is correct.

Aerosol pollution, which refers to the presence of fine particles suspended in the air, can have a significant impact on the climate.

Aerosols, such as sulfate particles from industrial emissions or volcanic ash, can scatter and absorb sunlight in the atmosphere. This leads to a phenomenon known as atmospheric cooling.

Aerosols reflect solar radiation back into space, reducing the amount of sunlight reaching the Earth's surface. This cooling effect counteracts the warming caused by greenhouse gases, such as carbon dioxide.

Therefore option B Atmospheric cooling is correct.

Know more about Atmospheric cooling:

https://brainly.com/question/33720278

#SPJ4

Question 16 What type of mutation has occurred in the following example? Original DNA Sequence TIC G|GICIT AGGICA Mutated DNA Sequence ACG GCTA G G C A ? T A) deletion mutation B) Insertion mutation C) point mutation Question 17​

Answers

Answer:

c

Explanation:

:).

Plants use chlorophyll during photosynthesis to absorb ------------
choices
A. sugar
B. light
C. water

Answers

Answer:

B. Light

Explanation:

In addition to giving plants their green color, chlorophyll is vital for photosynthesis as it helps to channel the energy of sunlight into chemical energy. With photosynthesis, chlorophyll absorbs energy and then transforms water and carbon dioxide into oxygen and carbohydrates.

Answer:

B. light

Explanation:

chlorophyll job is to absorb light from the sun

One species digs a hole for food. Another small species comes along and makes a home out of the hole that was left. What type of relationship is this an example of?

Answers

Answer: Commensalism

Explanation: Good luck! :D

I need help with #4 I will give brainliest

Answers

Answer:

Back in the frontier days there was very little concern about water shortages. People did not have too worry about not having enough water. Today people do have to keep in mind how much water they are using. some people do worry about not having enough water.

Explanation:

Hope this helps

What causes cells in living organisms to be different from one another?
O A An organism evolves new cell types in response to its environment
O B. The brain of an organism sends a signal to its cells to differentiate when the organismis in danger.
O c The DNA of an organism moves from one cell to another, allowing different cells to have different functions
O D. An organism expresses different genes at different times in development, causing cells to be specialized

Answers

Explanation:

The cell types in a multicellular organism become different from one another because they synthesize and accumulate different sets of RNA and protein molecules. They generally do this without altering the sequence of their DNA.

Which of the following is a direct economic advantage associated with aquaculture?
A
Aquaculture breeds genetically modified fish to increase the
amount of biodiversity in the population.
B
Aquaculture reduces the number of fishing operations in an area.
С
Aquaculture produces large amounts of seafood for human
purchase and consumption year-round.
D
Aquaculture requires large bodies of water for its operations.

Answers

Answer:

c Aquaculture produces large amounts of seafood for human

purchase and consumption year-round.

Explanation:

Most seafood produced via aquaculture is destined for human consumption, which has added to the sector’s momentum. The ability to dependably harvest many different species of finfish, shellfish and aquatic plants has also facilitated gains for the world’s aquaculture industry.

Explain how it is possible for the north pole to receive insolation for 24 hours for 6 months, yet it
still remains cold.
I

Answers

Answer:

Because they don't receive direct sunlight even during the summer months the sun is relatively low on the horizon

Farmer Brown tests the hypothesis that the more alfalfa sprouts cattle eat, the more milk they produce. He divides his pasture into four fields and puts twenty cattle in each field. Field 1 cows get no alfalfa sprouts, field 2 cows get ten pounds of sprouts per day, field 3 cows get twenty pounds of sprouts, and field 4 cows get thirty pounds. He feeds all groups fifty pounds of regular hay per day, uses the same breed of cattle, and gives them the same amount of water. He measures gallons of milk produced per cow every day.

Answers

Answer:

C

Explanation:

The amount of milk cow produces

Answer:

D

Explanation:

I took the test

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