Why is a depletion of the ozone layer harmful?

a) it increases chlorofluorocarbons (cfcs).

b) it allows increased amounts of uv radiation to reach earth’s surface.

c) it increases crop yields.

d)it contaminates ground water.

What type of reaction is shown below? check all that apply. 2h2o2 → 2h2o + o2 synthesis decomposition combustion

Which statement is usually true about the relationship between activation energy and reaction rates? low activation energy barriers result in low rates. high activation energy barriers result in low rates. low activation energy barriers result in no reaction. high activation energy barriers result in no reaction.

Word equation for k(s) +h2o(l) yield koh (aq) + h2