Which of the following statements about asteroids is true?
A. Asteroids are all very large and are mostly made up of stone, iron and nickel.
B. Asteroids vary greatly in size and are mostly made up of frozen water and gas.
C. Asteroids vary greatly in size and are mostly made up of stone, iron and nickel.
D. Asteroids are all very large and are mostly made up of frozen water and gas.

Adrought killed all the plants in an agricultural farmland. gradually, due to wind and some birds for. nearby areas, new plants started sprouting l. what stage of succession was taking place in the farmland? a) competition b) nudation c) ecesis d) reaction e) migration

Astudent wants to test the hypothesis that fertilizer improves the growth rate of grass seeds. to test this hypothesis, the student put the same amount of grass seed in 3 containers with the same type of soil. the student measured the growth at the end of the week. all plants received equal amounts of water and sunlight. if you were asked to graph this data, what would you place on the x-axis? a. fertilizer b. water c. plant growth d. week one

Which worm has eyespots that are used to detect light? a fluke b marine worm c planarian d tapeworm