I assume that the question here refers to the process of evolution. The "helpful variations" are small mutations that allow the organism to have a small advantage over other - and this organism can then pass this variation to its children better than other organisms, meaning that with time, more organisms will have it. This will accumulate over time and the percentage of organisms with this mutation will increase.
Answer: b. contribute to an understanding of how the world works.
Explanation: Economics is a branch of social sciences that studies the choices individuals and organizations make in using their limited resources to satisfy their unlimited wants. In essence, it is a study that aims to understand trade and industry as well as how people interact with these. Economists who formulate new theories work towards a better understanding of what motivates people, why they make the decisions they do and how the market reacts to the actions they take.
Answer:
A high-stakes camel beauty pageant in Saudi Arabia has been hit by a cheating scandal after 43 entrants were disqualified for Botox injections and other cosmetic enhancements.
Explanation:
A high-stakes camel beauty pageant in Saudi Arabia has been hit by a cheating scandal after 43 entrants were disqualified for Botox injections and other cosmetic enhancements.
The answer is C. I think I’m not to sure
