Which of the following is true about ice ages? a. forests are plentiful and common b. biodiversity is reduced c. ecosystems are created d. glaciers recede

b. biodiversity is reduced

Explanation:

An ice age was an era of long period of reduction in the temperature of the atmosphere and earth's surface. It results in the expansion of ice sheets over the continents and formation of glaciers. The low temperature causes the decline in the biodiversity all over the world because of extreme cold environment.

a. the production of carbon dioxide through the process of photosynthesis

i think its y= -4x-14