Scientists then used microscopes to develop which of the following major scientific theories?

A. The theory of thermodynamics

B. The cell theory

C. The theory of plate tectonics

D. The big bang theory

Which of the following is a monomer of protein? nucleotide monosaccharide simple sugar amino acid ribose

How does reducing air pollutants, as described in the Clean Air Act of 1970, affect greenhouse gas emissions?

What kind of motion is possible with a hinge joint? A. Rotating B. Sliding C. Back and Fourth D. None of the Above

Which of the following refers to the maximum amount of people the earth can sustain

4. The movement of molecules from an area of higher concentration to an area of lower concentration is called a. Diffusion b. endocytosis c. catalysis d. active transport solution, that is toward the 5. In osmosis, water always moves towards the ...

Match the food item to its nutrient group. carbohydrates calcium fats proteins vitamins zinc

A restriction enzyme is that complete the sentence

Types of volcanic mountains in terms of shape, type of eruption, and the minerals that make up the volcano

Australopithecines were the ancestors of monkeys. A. True B. False

A mutation that causes a human have 11 toes is (neutral, harmful, or beneficial.)