What is the law of accelerating returns?

a - the concept that the more work a person puts into a project, the faster the technological discoveries occur
b - the theory that states that as order increases exponentially, the time between major discoveries grow shorter
c - the belief that computers will eventually outpace humans in intelligence
d - the idea that humans cannot build new concepts as fast as computers can

i tried researching this question but i couldn't get a direct answer and everything just confused me. !

In about two hundred words, explain how the author's use of folktales and symbolism add meaning to the story and convey the central theme of the novel: the disintegration of the traditional igbo society as a result of its contact with european practices and beliefs.

9. types of literature that are told from a point of view include autobiographies, memoirs, diaries, and journals.

Read the passage. the dust bowl during the 1930s, extreme drought and high winds made life incredibly difficult in the great plains region of the united states. in many areas, rainfall was forty percent less than normal. the soil became extremely dry, and when strong winds blew, they created tremendous dust storms. these so-called “black blizzards” were so thick that they made daylight seem like dusk. during this terrible period, the great plains region of the united states was named the “dust bowl.” over the next few years, the drought continued, and the winds created more dust storms. in some places, the drought and high winds lasted for eight years. many people wondered if the black blizzards would ever end. which statement about this paragraph’s main idea is true? this paragraph’s main idea is stated in the topic sentence. there are not enough details to support the main idea. this paragraph’s main idea is implied. this paragraph does not express a main idea.