Which reaction is exothermic?

a reaction that absorbs energy from the environment

a reaction that requires an activation energy

a reaction that releases energy into the environment

a reaction that does not involve a change in energy

What does having a higher specific heat mean?

What is the difference between osmosis and diffusion? a. Diffusion uses energy, but osmosis does not. b. Osmosis is movement of proteins, and diffusion is movement of water. c. Osmosis is a kind of diffusion that involves movement of water. d.

The diagram above shows a pyramid of numbers for a Jack pine forest community. The number of producers is much lower than those of the primary consumers.

Which statement is a fundamental principle of the cell theory? Question 1 options: All cells have a plasma membrane. Eukaryotic cells are larger than prokaryotic cells. Living organisms are composed of cells. The genetic material in cells is DNA.

What is the largest source of water pollution in the United States?

What is an acid? Select all that apply. A substance that releases hydroxide ions in water A substance that releases hydrogen ions in water A substance that tastes sour A substance with a pH below 7 A substance that tastes bitter

Skin color is determined by three to five gene pairs. This makes skin color

How many pills does a person have to take to prevent organ rejection?

Which of the following statements is true based on information found in the table above? A. Each type of bacteria can cause only one disease. B. All forms of bacteria are infectious agents. C. Fever is present in any living organism with bacteria. D.

Which of the following best explains why pancreatic amylase is able to break down starches, but not lipids?