The trees in a forest all have closed stomata. what is the cause?

1 answer:

3 0

This is to prevent water loss by the trees. Under drought or dry conditions, plants may close their stomata to limit the amount of water that evaporates from their leaves a process called transpiration. In this process water diffuses through the stomata into the atmosphere, in a bid to preserve water plants may close their stomata, especially during very dry climates.

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Smithers thinks that a special juice will increase the productivity of workers. He creates

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Independent variable - juice

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Control - group B

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<h3>Research variables</h3>

In every scientific investigation, there are different variables. These include:

Independent variables: These are the variables that are supplied by the researcher and often varied to produce different effects. It is often referred to as the 'cause' variable.
Dependent variables: These are variables that are measured in the course of research. They are a result of the effects of the independent variable on the experimental subjects or groups. They are otherwise known as 'effect' variables.
Constant variables: Variables that are applicable to all experimental groups and are usually kept constant.

Also, there are different groups in research:

Control group: The reference group. The group that is not fed with the independent variable and forms the basis for comparison in order to understand the effects of the independent variable.
The experimental group: The group that is fed with the independent variable.

More on research variables can be found here: brainly.com/question/25115889

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2 years ago

7) True or False: All plants need the same amount of sun<br> to make enough food to be healthy.

timama [110]

False, many plants are sensitive to sunlight depending on the plant

5 0

3 years ago

Where is the insertion for the deltoid muscle?

Andrej [43]

Answer: