Problem: Write a question you would see in a school textbook.

Answer: Growth and activities of organisms can speed up the chemical weathering of rocks. Which organisms naturally cause most of the chemical weathering of rocks?

Problem: Write a question you would see in a school textbook.

Answer: The feathers of male goldfinches become brightly colored each spring. Which best describes why the color of the feathers changes each year?

Problem: Write a question you would see in a school textbook.

Answer:
A species lives in a region that changes over time from temperate to tropical. The survival of the species will be most probable if the species can do which of the following?