During active transport, such as moving a substance from a area of low concentration to high concentration.
<span>(3) widespread use of pesticides</span>
2
I believe the answer is two, since it's H2O.
Hope this helps!
The doctor who is concerned that wilma may have a brain tumor recommends that a(n) positron emission tomography (PET) scan.
PET scan is a scan imaging test that allow doctor to check disease in human body. This scan uses a special dye that contain a radio active tracer.This scan provide information about blood flow and how body is using oxygen and sugar.
