Name three important biochemical need for water

Which of the following choices is not an effective solution to the energy waste related to inefficient lighting? a. using low-pressure sodium lighting sources b. pointing lights on billboards and street signs upward c. placing light sources on time controls d. shielding light to direct it downward

In the practice of science, this type of reasoning is used to develop explanations.

Guard cells control which event? the growth of plants capture of solar energy gas exchange in leaves water absorption in roots