One way valves maintain the unidirectional flow.
B is false, enzymes speed up the reaction by lowering the activation energy needed for the reaction to start.
Answers B
Nutrient pollution is the situation when due to the excess nutrient levels, excessive amounts of algae grow - so the correct answer is c. excess fertilizer use.
Pouring motor oil down the drain also results in pollution, but in other kind of solution - not nutrient solution.
Answer: False
Explanation:
Most conifer trees keep their leaves year-round.
Hope it helps :) and let me know if you want me to elaborate.
Biomolecule<span> is used for short-term </span>energy storage<span> for cellular work</span>
