During the most recent ice age, glaciers covered about percent of earth's land area. a. 10 b. 3 c. 30 d. 50

c)30

Explanation: Ice age is the past geological time when there was the presence of the ice sheet in thick form over the land covering vast areas . It is also known as glacial age because there was a formation of the glaciers on the Earth's surface in large amount from past many years .Glaciers almost covered the 30 percent of the area on the Earth's surface from the last ice age time.

i am a little confused myself with what goes with the letters and what goes with the numbers but ill do my best to you

the cordillera states and grand canyon are along the southwest u.s. and northern mexican pacific.

the great plains and southwest desert are also the prairie and home to many earthquakes too .

the coastal plains have poor soil and many factories started in the south.

is this what u needed? if not i can see what i can do