Answer:
He should make identical stains on T-shirts and see whether different parts of the lemon will remove the stain
Explanation:
Answer:
To test the validity of this hypothesis he should test the acidity of different parts of the lemon including the juice, pulp and skin of lemon.
and
He should also compare the lemon juice with other juices to know weather other juices are also helpful in removing stains from the t-shirt.
Explanation:
Edmentum/Plato
Which regions of the river in the figure above contain more nutrients than the other regions? Explain.
Answer:
Hello. You don't know what this question refers to, but the regions of the rivers that have more nutrients are those that have a lot of algae and vegetables and few fish and marine animals in general.
Explanation:
The accumulation of nutrients in rivers, mainly nitrogen and phosphorus, stimulates the primary production of this environment, which is represented by the excessive growth of algae and other vegetables, which often end up dominating the entire surface of the river. This is very harmful for aquatic animals as it decreases the oxygen concentration of the river, leading to the death of several animals, especially fish. For this reason, we can say that the areas with the most nutrients in a river will have a large number of algae and a low number of fish.
which part of the cell membrane in nonpolar and prevents the cell from dissolving
Answer:The part of the cell membrane that is nonpolar and prevents the cell from dissolving is called the Nonpolar Fatty Acids.
Explanation:The part of the cell membrane that is nonpolar and prevents the cell from dissolving is called the Nonpolar Fatty Acids.
Which of the following is a producer?
sunflower
human
cow
mouse
Answer:
A sunflower would be a producer out of the following.
Explanation:
The following people, cow, and mouse are consumers as the sunflower is a producer since it can produce it's own food as the others eat each other to recieve energy.
The following is a producer: sunflower, which is in the first option. Producers are always present at the primary trophic level and take part in the photosynthesis process.
What is the significance of the producer in the ecosystem?A producer in the ecosystem has a significant role, as they play an important role in the ecosystem by producing their own food and later relying others for food and energy. They are also responsible for maintaining the carbon ,nitrogen, and oxygen balance in the atmosphere and maintaining the water balance by absorbing it in the ground and thus raising the groundwater level.
Hence, the following is a producer: sunflower, which is in the first option. Producers are always present at the primary trophic level and take part in the photosynthesis process.
Learn more about the producers in the ecosystem here.
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Pls help me for brainliest
Answer:
b new experiments will be conducted until evidence supporting the accepted theories is obtained
Answer:
C. The accepted theory will be revised or replaced
Horned toads squirt blood from their eyes as a
A.means of evading predators
b. means of catching prey
c. mating behavior
d. territorial marker
Answer:
a means of avoiding predators
Explanation:
as a person that owns them they use the blood to scare bigger predators
Which best illustrates the result of the process of meiosis?
A pea plant has the same flower color as its parent plants.
A daughter looks different from both her mother and her father.
A cheetah cub has very similar fur to its mother.
A Labrador puppy looks exactly like its father.
A daughter looks different from both her mother and her father.
Answer:
A daughter looks different from both her mother and father
Explanation:
explain how ostriches evolved to survive in their environment.
Answer:
Some scientists believe that there were huge fires and the skies were dark and full of pollution due to a meteor exploding and killing off the dinosaurs, and if it's true that this occurred, the Ostrich evolved to be a land animal due to it being too dangerous in the air for them. The long neck may have developed to help them get food that was higher up which is the same speculation for the Giraffe. To stay on land they had to be stronger, bigger, and faster than they were in flight.
Explanation:
How do you find the altitude of Polaris using Latitude and Longitude?
Answer:
At the Equator (0° of latitude), the North Star is on the horizon, making an angle of 0°. For any point between the Equator and the North Pole, latitude is obtained simply by measuring the altitude of Polaris: at 30°N the star is 30° above the horizon, at 63°N, it is 63° above the horizon, and so on.
According to the article, there are 3,000 brown tree snakes in Guam per square mile (mi2). The average high school in the United States is approximately 121,000 square feet or 0.004 square miles. According to these numbers, how many brown tree snakes would be found in an area the size of a typical U.S. high school?
Answer:
12 snakes
Explanation:
Given
[tex]3000\ snakes = 1\ mi^2[/tex]
Required
Determine the number of snakes in 0.004mi²
Represent this with x;
So, we have:
[tex]3000\ snakes = 1\ mi^2[/tex]
[tex]x = 0.004\ mi^2[/tex]
Cross Multiply
[tex]x * 1\ mi^2 = 3000\ snakes * 0.004mi^2[/tex]
[tex]x * 1 = 3000\ snakes * 0.004[/tex]
[tex]x = 3000\ snakes * 0.004[/tex]
[tex]x = 12\ snakes[/tex]
Which organelle would you expect to find in animal cells but not plant cells?
O A. mitochondrion
OB. ribosome
C. lysosome
O D. A. smooth endoplasmic reticulum
Answer:
Lysosome
Explanation:
What organ works to keep you blood plasma isotonic, so that your blood cells do not shrivel up or explode?
liver
heart
kindneys
urinary bladder
Answer:
Kidneys
Explanation:
Help me anyone please
Answer:
I think plant is the best answer of this question
Explanation:
Plant algea and a group of a bacteria called cyanobacteria are the only organism capable of performing photosynthesis.
Why is technology important when developing scientific theories?
A LOT OF POINTS ARE GOING INTO THIS. ALSO GIVING BRAINLY TO THE CORRECT ANSWER :)
Many coniferous forests containing pine trees grow in the taiga, the largest habitat in the world. Using credible sources, such as NASA, research the typical climate conditions in coniferous forests. Explain why the structure of pinecones helps ensure successful reproduction in coniferous forests.
Answer:
Precipitation in coniferous forests varies from 300 to 900 mm annually, with some temperate coniferous forests receiving up to 2,000 mm/ year (79 in/year). The amount of precipitation depends on the forest location. In the northern boreal forests, the winters are long, cold and dry, while the short summers are moderately warm and moist. In the lower latitudes, precipitation is more evenly distributed throughout the year.
The climate conditions of coniferous trees normally have summer temperatures that range from -40°F to 68°F with seasons ranging with an average of cold, long, snowy winters, and warm, humid summers. With defined 4 seasons, and at least 4-6 frost-free months. The precipitation has about 12 to 35 inches of rain each year. The in these areas of course the vegetation they have is coniferous trees, but the main dominant trees are pines, spruces, firs, and larches. With mosses, liverworts, and lichens covering the main ground.
please help i’ll mark brainliest
Answer:
m
Explanation:
Answer:
Muscle Cell - Muscle Tissue - Biceps Muscle - Muscular System
"Have a cell membrane to let beneficial substances in and harmful substances out" shows which characteristic of life?
Group of answer choices
response to environment
organization
homeostasis
growth and development
genetic information and reproduction
evolutionary adaptations
energy processing
i am not good at bio aka life so i need help with 19 and 20
Answer:
#19 = The cell is an animal cell because it's missing the organelles required in plant cells(chloroplast, vacuoles, and the cell wall)
#20 = The mitochondria would be most likely to be affected because it's the powerhouse of the cell, provides energy, and imports proteins. I hope this helps.
Explanation:
Help identifying plant parts
Answer:
a: pistil b: stigma c: style d: stamen f: anther g: filament e: petal h: sepal i: stem j: ovule/ovary? k:?
Living plants may be valuable additions to science classrooms. Which is the most important safety consideration when planning to grow plants in a classroom?
the light required for the plants to grow best
the nutrients to feed the plants
the composition of the soil in which to grow the plants
the structure and chemical properties of the plants
Answer:
The structure and chemical properties of the plants.
Explanation:
Not 100% sure. I was also thinking it could be the composition of the soil in which to grow the plants
Answer:
its d. took the test and got it right x
Explanation:
WILL MARK BRAINLIEST!!!
how can a correlation measure aid the process of predictions
Prediction: Correlations can be used to help make predictions. If two variables have been known in the past to correlate, then we can assume they will continue to correlate in the future. We can use the value of one variable that is known now to predict the value that the other variable will take on in the future.
A positive correlation is one in which variables go up or down together, producing an uphill slope. ... Any type of correlation can be used to make a prediction. However, a correlation does not tell us about the underlying cause of a relationship.
Hope it helps!
All cells have
A. an internal fluid that gives shape to the cell and supports the other things within it.
B. All of the above
C. either a central zone or a nucleus that contains the cell’s genes.
D. a covering called a plasma membrane that surrounds the cell and controls what information and materials enter and leave it.
Answer:
all of the above
Explanation:
brainliest please
based on the data, was Zack, who ate the tofu, guilty of leaving a mess in the classroom?
Answer:
no.
Explanation:
The mystery food sample did not test positive for protein using the Biuret indicator, so the sample can not be tofu, which is what Zack ate.
Ladybugs were introduced as predators into an
agricultural area of the United States to reduce the
number of aphids feeding on grain crops. This
action is an example of
A. biological control of insect pests
B. preservation of endangered species
C. conservation of natural resources
D. protection of watersheds
Answer:
I believe it would be A,
How might the extinction of Tasmanian Devils impact the ecosystem
Answer:
The Tasmanian devil (Sarcophilus harrisii) is the world’s largest surviving marsupial carnivore, and a well known resident of Tasmania. However, the species is threatened with extinction, which could have detrimental impacts on the Tasmanian ecosystem.
Identify the structures a virus can contain.
Answer:
The simplest virions consist of two basic components: nucleic acid (single- or double-stranded RNA or DNA) and a protein coat, the capsid, which functions as a shell to protect the viral genome from nucleases and which during infection attaches the virion to specific receptors exposed on the prospective host cell.
Which word describes the water stored below Earth's surface?
floodplain
groundwater
kettle
sinkhole
Answer:
ground water
Explanation:
kettle is a thing that holds water and is used to boil it, a food plain is a field in which we grow crops on, and a sink hole is when the earth collapses on its self, therefore by using the process of elimination you can see that it is groundwater, also it's s of explanatory because of the name
Groundwater is the water found below the Earth's surface in geological reservoirs known as aquifers.
What is groundwater?It is the one that is found under the earth's surface, that is, the set of water that is stored in depth and occupies the pores and fissures of the most solid rocks.
On Earth, much of the water is found in aquifers that are located below the planetary surface, these are geological-type formations that store groundwater.
Therefore, we can conclude that groundwater is that body of water that is stored deep or below the earth's surface.
Learn more about groundwater here: https://brainly.com/question/13160768
where plasma is found naturally
Answer:
its naturally found in lightning and the northern and southern lights
Explanation:
how does the sporophyte obtain nutritions?
Answer:
The gametophte is generally green and photosynthetic and obtains water and other nutrients from the soil by direct absorption into it's cells .
Explanation:
What is another name for the light-independent
reactions?
Answer:
Explanation:
calvin cycle
Several models of atoms are mentioned in this lesson. Plum pudding, planetary and quantum mechanical. Which reason below explains why there are different atom models?
Question 4 options:
Because atoms have changed their structure over time
Because there are different types of atoms
Because the ideas about the models changed as more discoveries were made about the atom
Because many people came up with models at the same time
Answer:
Because the ideas about the models changed as more discoveries were made about the atom
Explanation:
