The purpose was to understand the formation of the Pluto system, the Kuiper belt, and the transformation of the early solar system!
Answer: census; sample
Explanation:
In order to conduct surveys there is need to have a population in which samples can be collected whether randomly, systematically or in a cluster manner.
When there is a need to conduct a survey questioning all members of a population it means one wants to involve in a survey.
In the human world, the government may wants to know how many people falls into a particular gender, race, age group and so on. When the government (researchers) do this it means that they wants to perform or they are performing what is known as CENSUS.
When a small group is subjected to research out of the general group then we say that SAMPLE is been drawn out.
Important: Note that the term ''population'' does not refer to human being alone it can be members of another 'thing' for instance animals like birds, goats and so on.
Answer:
Alcoholism is determined by both genetics and environment.
Explanation:
Alcoholism has a genetical component, (some people can have a predisposition) but this is not determinant since, the experiences lived influence greatly the individual the way he will solve his problems.
Several coexisting genetic variables differ in each individual, rather than searching for a single gene transmitted. Similarly, many stressing factors present in the environment can increase risk of alcoholism, because of their diversity, they do not have to be necessarily the same in every person. Environmental contribution may be linked to epigenetics, which refers to changes that ocurr in genes as a result of factors presenting in the ambient.
Answer:
Africa's agriculture, which is considered the continent's single most important economic activity. Agriculture employs two-thirds of the continent's working population and contributes 20 to 60 percent of every country's gross domestic product (GDP)
Explanation:
Really hope this helps!
Miranda has learned to improve her tennis due to observational learning which is also called social learning. It is a theory that occurs when a beholder’s behavior become different after viewing or observing the behavior of his/her model. He/she can be affected by the positive or negative outcome-called indirect or derivative reinforcement or punishment.