Trees produce many materials but also contribute to the environment by producing oxygen, preserving water and soil, helping air quality, and supporting wildlife. they feed millions humans every year as well.
An experiment or survey must be controlled in order to receive accurate results.
In an experimental group, the independent variable is changed. But in the control group, the independent variable stays the same.
Please state the following :)
The answer is B because the white rabbit population was disrupted and so was the grey one increased the other decreased. I hope this works for you.
Mitochondria is the powerhouse of a cell
