What is the role of a pioneer species in primary succession? O to destroy parasites
O to provide shade
O to provide fruit
O to produce the soil

Emmet didn’t want to weed the garden. he put off the task toward the end of the day. he even tried to get his sister to do the job. what type of goal orientation did emmet display toward weeding the garden?

Waianapanapa beach in hawaii is a black-sand beach that was formed by waves crashing against volcanic rock. the sand can be very hot on sunny days. which statement best explains why? o a. the black sand has no heat capacity. b. the black sand absorbs no radiation. o c. the black sand is immune to insolation. d. the black sand has a low albedo.

Up to what percentage of the world's flora consisted of cycads during the triassic period? 100% 75% 50% 20%