The correct answer is 4. Forest Fires.
Explanation
Natural disasters are those violent or sudden changes in the dynamics of the environment that can have serious consequences such as material loss and loss of life, and that are the result of environmental events in which there is no human intervention such as earthquakes, floods, tsunamis, among others. According to the above, it can be affirmed that the savannah, being a semi-arid area with trees and other vegetation, may have the necessary conditions for a forest fire to occur because high temperatures can cause dry vegetation to catch fire. flames and spread quickly. Therefore, the correct answer is 4. Forest Fires.
Social Darwinism was used to justify all of the following except "communism," since in fact communism sought in many ways to combat social darwinism, but ensuring that there were no class divisions within society, and the wealth was shared among all.
The best way to measure public opinion is through opinion polls - B
With opinion polls you get an idea what is the general idea about a certain topic from the public, as you usually get a high enough sample to deduce the relevant information.
To answer your second question I would say it is either B or C as being a sole proprietor usually makes you subjec to being a small business or you're forced to use factors of production less efficiently.
I heard her got that sloppy tappy yuh he thotty