Answer:
Science is the study of living organisms and non living things.
Chemistry is a branch of science that deals with study of matter in relation to its composition.
Physics is the branch of science that deals with study of matter and its derivatives or quantities.
Economic geog.
political geog.
demography
social geog.
war geog.
agriculture geog.
settlement geog.
regional geog.
<span>218,134,692 people had internet access in 2009 which was 71% of the USA.
Hope this helps! </span>
Peristalsis is the physical movement or pushing of food along the digestive tract.
