Gases tend to have lower densities than solids because gases have lower molar masses.

a. True

b. False

What is a funnel with a long stem?

Before there was any life on earth, which gas was absent from earth's ancient atmosphere?

Which of the following often causes market failure - - that is, causes markets to fail to establish fair prices and use resources efficiently or property? The answer is C. Monopolies

Total global precipitation is (equal to) (greater than) or (less than) total global evaporation?

Imagine that you are observing an enzyme-catalyzed reaction in the lab. Every time you add more enzyme, the reaction rate increases proportionally until the reaction rate suddenly levels off.

What protects the inside of a cell from the outside world? cell membrane nucleus cytoplasm dna

How does DNA influence the synthesis of lipids, carbohydrates, and steroids? A. Base triplets that do not code for amino acids, code for the components of these compounds. B.

What are delusions? what are some symptoms?

What happens to Earth when it is farthest from the sun? It moves fastest. It stops rotating. It moves slowest. It stops revolving.

What are two different habitats in a prairie ecosystem and name one organism found in each habitat.