What is leaf senescence? A. the process by which the plant starts to store chlorophyll to be used for photosynthesis
B. the process by which the plant's leaves turn different colors as a sign of beauty
C. the process by which plants move toward the light so that they may make food
D. the process by which leaves decay and the nutrients that are stored in the leaves are removed to other parts
of the plant

If scientists are wrong about earth's age based on radioactive material and the decay rates are really much faster, how would nuclear power plants be affected?

How many chromosomes are in a gold fish?

Plz ! cattle ranchers and dairy farmers rarely allow all of their animals to reproduce instead they practice selective breeding and only encourage the reproduction of animals with specific features. which of the following cows would a dairy farm most likely choose to reproduce? a. a cow that makes a lot of milk. b. a cow that can run quickly. c. a cow with a think, soft fur. d. a cow with large, strong hooves.