How does the C horizon form?

A) Rainwater washed clay and minerals from the A horizon to the C horizon

B) Plant roots weather pieces of rock

C) Plants add organic material to the soil.

D) Bedrock weathers and rock breaks up into soil particles

What is the practice of separating people of different races, classes, or ethnic groups called

The most common political units in today's world are: A. landmasses with out borders B. sovereign nations-states C. Power and authority D. military dictatorships

17x-3 and 9x+13 find the value of x

What are two countris in north Africa

In what way was Sumer both a monarachy and theocracy?

Growing sugar beets for sugar, as an alternative to importing sugar made from sugar cane, is an example of A) import substitution. B) a quaternary sector activity. C) flexible production. D) vertical disintegration. E) deindustrialization.

Which strategy can scientists use to learn about Earth's deepest layers?

Select all the following that are solutions to environmental problems in the region. coordination of environmental efforts between sectors enforcement of environmental regulations increasing deforestation increasing soil compaction sustainable land

Rural to urban migration is happening on a massive scale due to population pressure. a) True b) False

Which of the following is a major ocean on earth