When comparing lakes and oceans, most lakes have

A) lower levels of salt.

B) higher levels of salt.

C) inconsistent levels of salt.

D) about the same level of salt.

What are different types of mining? Pros and cons?

Which number is closest to the estimated number of stars in the Milky Way galaxy? A. 200 thousand B. 200 million C. 200 billion D. 200 trillion

1. List five things you would take on your trip to the moon 2. List two items you couldn't use on the moon. Why would they not work?

What are meninges? Fibrous connective tissue membranes covering the peripheral nervous system Fibrous connective tissue membranes covering the central nervous system Fibrous connective tissue membranes covering spinal nerves.

When electrochemical signals are sent from the brain to a muscle what might be the response

The shape and size of a birds beak would mostly be affected by what environmental limiting factor

Why do you think scientists use the word mutate to describe the genetic process shown in the video

Which best describes the purpose of a controlled experiment? A. to make sure the results of the experiment support the hypothesis B. to prevent a dangerous condition resulting from a reaction C.

Bones, joints, ligaments, and cartilage are parts of the a) refrigerator b) muscles c) skeleton

Chloroplasts cannot move on their own. How do they move around the cell?