How does the carbon locked in shells of marine organisms move back to the atmosphere?

a.

through subduction of deposits and volcanism

b.

through the process of respiration in these organisms

c.

through death and decomposition

d.

through the microbial process of ammonification

e.

through chemical reactions in acidifying oceans

Many state and local authorities are making laws regarding recreation on lakes, rivers, and oceans to reduce water pollution. why would lawmakers need to consult with scientists before making these laws? a) to make scientists feel important b) so that the laws reduce pollution by a sufficient amount c) so that parks and lakefront facilities will still make large profits d) so that the public will believe that the laws are important to follow

Which best describes a rhinovirus? o a. a virus that causes a common cold o b. a protective shell around a virus o c. a tube the comes off a virus o d. a piece of dna transferred by a virus

Which sequence correctly shows the path of carbon dioxide during repiration?