Mountains are usually formed by:

movement of the earth's crust

weathering away of land

placement of eroded land

volcanic explosions

A mutation occurring in a human can be passed from parent to offspring when it occurs in a (1) lung cell, due to exposure to a toxic gas (2) gamete formed in the ovary (3) body cell undergoing mitosis (4) heart cell with chromosome damage

For this year's corn crop a farmer chooses to plant the seeds of the best-tasting corn plants from last year's crop. this is an example of a. artificial selection. b. natural selection. c. gene cloning. d. whole animal cloning.

What type of biomolecule can be found in the nucleus and carries instructions for the cell?

What is the difference between an energy transfer and an energy transformation? Give your own example for each

What sort of evidence can you use to show that all living things grow and develop

What is a levee made of

How are DNA and gene expression similar?

Which phrase describes the phenomenon that implies that small atmospheric changes affect the weather weeks or months later? A) the butterfly effect B) short-range forecast C) long-range forecast D) automated weather

What is a function of the efferent division of the nervous system?

a person is fishing in a bay when low tides occurs, stranding the person in the boat. Approximately how long will this person have to sit in the boat until the next high tide occurs and the person can leave the bay