The answer is number 2: Use more efficient irrigation techniques. This is because, right now, water is wasted everywhere by inefficient irrigation; many plants are overwatered. By using more efficient irrigation techniques like drip irrigation, people could save a lot of freshwater.
d. enzymes increase the rate of chemical reaction by providing activation energy to the substrate
Receptor receives chemical signals came from the cell's outside environment. It is made up of protein molecule. The correct answer for the question above is letter a. Receptor protein allows one or <span>a few specific molecules to pass across the membrane.</span>
Chloroplast thats the best promise
