What is a hardened sediment that contains the impression of a bone

What organelle is involved

Describe two ways humans have impacted desertification latin america

Based on current information, cosmologists expect the universe to

What is classified as an index fossil? Like, what requirements are there for something to be an index fossil?

What are the pros and cons of being a tall land plant?

Pregnancy comes with a unique set of diet and lifestyle guidelines. Some substances are particularly beneficial for the mother or baby, others are harmful, and some should be used with caution. Drag the appropriate items to their respective bins.

This type of galaxy gets its name from its characteristic oval shape

How are embryonic stem cells different from adult stem cells?

Explain what typically marks the beginning and end of any division of time on the geologic time scale?

a person with an impaired lymphoid system would? A. get sick more often B. grow too quickly C. not be able to digest fats D. not be able to transport oxygen to the cells