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.
Answer:
Explanation:
The most immediate impact of erratic rainfall on rural livelihoods is on crop production. Droughts and floods undermine farm yields and the national har- vest, reducing household and national food availability, and agricultural income derived from crop sales.
B; As far as the relation between humans and the environment, it is obvious how much they relied on it. Not only as a food source, but for economic growth and sustainability as well. The other answers make valid points but in the context of this question, the only one that even mentions the relation is B.
Answer:
Around 3,000-4,000 meters
Explanation:
The continental slope extends from the shelf break to water depths typically of around 3,000–4,000 m where an abrupt change in gradient delimits the foot of slope.
In the summer solstice, the north pole receives more insolation in the upper part of the atmosphere than Ecuador and in the south pole the effect is even greater