When a star has greater mass, the amount of energy produced : A. is more

B. is not affected by the mass

C. is less

What is hydroelectric power produced by?

Several bird species feed in a certain species of tree. each bird species feeds in a different part of the tree. which statement is true of these bird species? a. they have adapted to different niches due to competition b. they have a carnivorous relationship with the tree species. c. they have adapted to different niches due to predation d. they have a symbiotic relationship with the tree species.

Explain what a zygote is. use the terms egg cell, sperm cell, and fertilization in your explanation.