Much of the ocean water present on the early earth may have been?

How does carbon combine with other carbon atoms to create a complex molecule?

Identify the characteristic that plants, people, and flatworms have in common A. They all make their own food. B. They all use cellular respiration to obtain energy. C. They all use photosynthesis to obtain energy. D. They all ingest food.

Major scientific theories include the cell theory, the big bang theory, and the theory of plate tectonics. How are scientific theories formed? A. through extensive testing and the accumulation of several lines of evidence B.

Why do two-dimensional maps of earth have distortions? A. Earth is three-dimensional, but maps are two-dimensional B. cartography is an inexact science C. cardinal directions do not apply to two-dimensional maps D.

Why simple distillation allows a pure solvent to be separated from a solution

What are mitochondria and how do they function?

What is the blood type of the unknown parent

What membrane do gases move most efficiently on

A replicated chromosome is known as a

Why do we need to cut our hair and finger nails?