If enough heat is added to a gas, which of the following would most likely happen?

  a. 

its mass would decrease.

  b. 

it would become a liquid.

  c. 

its mass would increase.

  d. 

it would become a plasma.

Which of the following will not cause mass extinction? a. drastic change is weather b. geological change c. both a and b d. none of the above

4. how does a phospholipid behave in water? the phosphate head does not mix with water; the fatty acid tails do. the phosphate head and the fatty acid tails mix with water. the phosphate head and the fatty acid tails do not mix with water. the phosphate head mixes with water; the fatty acid tails do not.

What drives an advertising campaign?