Question 9
the focus of an earthquake is the what?

a. strength of the earthquake

b. place at earth's surface where the earthquake happens

c. point within earth where an earthquake originates

d. the types of rocks affected by an earthquake

C. point within Earth where an earthquake originates

Explanation:

The point on Earth's surface directly above the focus is the epicenter of the earthquake.

C. point within where an earthquake originates

Explanation: the focus in the earthquake is the point in the interior of the earth from where the earthquake originates

the correct answer is - d. china has a large and growing population.

the fact that china has a large (the biggest) population, and it is still growing, doesn't hinder the agriculture production in the country. in fact, it can for increased production in the agriculture, since there's more labor force, as well the sheer mass of people produces lots of scientists that come up with new inventions as to how to improve this sector. nice example is the inner mongolia region in china, in general dominated by the gobi desert, but few scientist came up with a nice idea as to how to make the region productive by using plants that are very resistant to droughts, so lots of people have been employed, and the region is becoming greener and greener each year, and the production of food in this region is also increasing.