In sciences hypothesis is only useful if it can be?

when the rock enters the earth atmosphere, it is known as a shooting star, or a blank?

What statement is true regarding the theory of natural selection

What is one way phytoplankton contribute positively to the ecosystem? Explain one way phytoplankton can be harmful or dangerous.

Why does temperature affect enzyme activity?

What is the function of the nucleus in a cell? a. The nucleus controls the cells activity b. the nucleus identifies a cell as belonging to a plant c. the nucleus determines what substances enter and leave the cell d.

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?