In chemical reactions, atoms are

a)

created.

b)

rearranged.

c)

destroyed.

d)

neutralized.

How is modern day dna profiling different from the original dna fingerprinting process?

What does the pH scale tell us? A) the polarity of water B) how much water a solution can hold C) the amount of OH - and H + ions in solution D) the specific heat of water

Adam wants to find out how the pressure effects the force of gravity acting on dust particles in a cloud. Adam designs an experiment which he places dust particles in a pressure chamber.

Which of the following is an advantage of minimizing pollution? A. More fossil fuels, like gasoline, can be burned. B. It will stop nonnative species from entering ecosystems. C. Fewer harmful substances enter the environment D.

This is a survival adaptation by which an animal blend in and is hidden in its surrounding

In what way are plants in a sunny meadow and sulfur bacteria in a deep sea vent alike A) They both use photosynthesis to make their own food B) They both produce carbohydrates C) They both use chemosynthesis to produce their own food D) They both

Maryland white oak trees make their own food. Their cells contain structures that capture energy from the sun. What are these structures?

What are two ways in which all living things are similar at the molecular level.

Which of the labeled structures controls the water balance in the paramecium?

Paleontologists can definitively conclude whether dinosaurs were endotherms. a. True b. False