Which of the following is not true of deciduous forests?
a.
characterized by four seasons
b.
trees lose their leaves in the fall
c.
precipitation is concentrated in one season
d.
averages 30-60 inches of precipitation annually

Deciduous trees lose their leaves in the fall to prevent nutrient and water loss during the winter, so their new leaves can grow in spring. Hence. they are characterized by four seasons. Annual precipitation average is 30-60 in and precipitation is present in all four seasons. Thus, c. is not correct statement for deciduous forests.

i think the miocene epoch spans the time from 23 million to 12 million years ago.

the relative standard reduction potential of the half-cell in which reduction occurs; more positive than the other half-cell. reduction is a chemical process in which electrons are added to an atom or an ion; it always occurs accompanied by oxidation of the reducing agent.