I am pretty for sure the answer is roots.
Answer:
the protons become concentrated in the thylakoid space
Natural selection<span> is the differential survival and reproduction of individuals due to differences in phenotype. It is a key mechanism of evolution, the change in the heritable traits characteristic of a population over generations.</span>
None.
There's no such thing as "short term climate change".
By definition, climate change is a long term.
Short term changes are "weather", which has a great many causes.
Hope this helps :)
Answer:
The independent variable is "controlled" or held constant in the control group. A single experiment may include multiple experimental groups, which may all be compared against the control group. The purpose of having a control is to rule out other factors which may influence the results of an experiment.
Explanation:
