Why is it possible for an observer on earth to see the phases of the moon? a. the moon revolves around the sun, b. the earth revolves around the sun, c. the earth rotates on its axis, or d. the moon revolves around the earth

Which of the following typically characterizes a tropical rainforests

How do you know that the plant cells in these two images have different jobs, or functions? a. because all plant cells serve different functions b. because they are two different colors c. because their dna are different d. because their structures are different

What is the difference between a meteoroid and a meteor?