Answer:
D. Einstein's theory was difficult for many people to understand.
Explanation:
Einstein’s theory of general Relativity was largely Ignored for three decades because scientists at the time thought the theory was too complex compared to Newton's.
Therefore, it took long before the general science community accepted Einstein's theory of general relativity because Einstein's theory was difficult for many people to understand.
"D. Einstein's theory was difficult for many people to understand."
Enzymes are a category of proteins. Enzymes are catalysts. They speed up the rate of a chemical reaction by reducing the activation energy, which is the energy needed to carry out the reaction.
Photosynthesis occurs through the stomata of leaves
True! because without gravity the spacecraft wouldn't go where there wanted it, in the time that they wanted it