Similar fossiles found all over the world true or false?

Describe different biomes. what are some adaptations that organisms (plants or animals) must have to live in each biome?

Why is it important always to use horizontal bars in unit fractions when performing unit conversions?

Which of the following conditions lead you to see an absorption line spectrum from a cloud of gas in interstellar space? the cloud is extremely hot. the cloud is visible primarily because it reflects light from nearby stars. the cloud is cool and lies between you and a hot star. the cloud is cool and very dense, so that you cannot see any objects that lie behind it.