The answers are:
a. physical geography
b. human geography
Geography is divided into two main branches, physical geography, and human geography, and after that, they branch out much more and include the other geographical disciplines in them.
Physical geography is mainly concerned with the study of the natural characteristics of the Earth, both the ones on the surface and the once close to the surface.
Human geography is mainly focused on the study of the human race, the background, perceptions, interactions, organizing, human groups, effects on and from the environment etc.
The United States of America is an example of a democratic country but with specific election process. Unlike other democratic country that its the people of the country decides who will be their president, USA elect their president through electoral college.
Answer:
Europe is the second-smallest continent. The name Europe, or Europa, is believed to be of Greek origin, as it is the name of a princess in Greek mythology. The name Europe may also come from combining the Greek roots eur- (wide) and -op (seeing) to form the phrase “wide-gazing.”
Explanation:
The type of sediment that is made up mainly of the shells of diatoms and radiolarians are called the siliceous ooze<span>. Siliceous ooze is a siliceous pelagic sediment that covers large areas of the deep ocean floor. Calcareous ooze, siliceous ooze is formed from the tests of microorganisms; in the case of siliceous ooze, the organisms come in two varieties, diatoms and radiolarians. </span>
ANSWER: the ring of fire is a major area in the basin of the Pacific ocean where many earthquakes and volcanic eruptions occur.