Question

1. circle the letter of the environment in which coal can form. a. warm, shallow seas b. cold, icy regions c. warm, swampy regions d. cold ocean bottoms 22. what is a scientific theory? 23. the gradual change in living things over long periods of time is called. 24. is the following sentence true or false? the fossil record shows that millions of types of organisms have evolved 25. a type of organism that no longer exists and will never again live on earth is

Explanation:

1. Coal forms in warm, swampy regions where plant - material accumulates and undergoes chemical and physical changes over time.
2. A scientific theory is a well - substantiated explanation of some aspect of the natural world.
3. The gradual change in living things over long periods of time is called evolution.
4. The fossil record shows that millions of types of organisms have evolved. This statement is true.
5. A type of organism that no longer exists and will never again live on Earth is an extinct organism.

Answer:

1. c. warm, swampy regions
2. A well - substantiated explanation of some aspect of the natural world.
3. Evolution
4. True
5. Extinct organism