Why is Precambrian time about 88% of geologic time not divided into smaller units based on the fossil record?

The great Rift Valley was formed by

True or false: warm air has no density

Why is the atlantic ocean called the atlantic ocean?

Which of the following occurrences are the reasons why the Caspian Sea has decreased in size? A. overfishing and global warming B. heavy irrigation and overfishing C. heavy irrigation and evaporation D. deforestation and global warming

Of the four major climate zones-tropical, subtropical, temperate, and polar-what climate zone is nevada?

About how many tourists visit Florida each year? A. 1 million B. 10 million C. 50 million D. 100 million

What does the presence of a lot of sedimentary rock tell you about an area?

What are some abnormal weather conditions? i have to write one paragraph on how they are the same and 1 on how they aren't and i cant think of any considering we haven't learned jack about them.

What is able to be learned from studying political maps?

What comes from certain rocks and is used for energy