Answer:
B. the energy a spring has by being compressed
The answer is glucose and oxygen.
D...In the United States, through a series of caucuses and primary elections, voters elect delegates to attend each party's nominating convention to choose the voters choice of candidate.
Answer:
De Klerk and Nelson Mandela agreed to dismantle the apartheid regime. On April 27, 1994, millions of South Africans, both black and white, were able to vote in the first multiracial elections held in South Africa since apartheid began in 1948. They voted Mandela into power.
Explanation:
I hope this is paragraph enough for you.
Answer:
Subjects are assigned by chance, rather than by choice, to a group.
Explanation:
In randomization process, the researchers will gather the subjects together and form a group based on that population without even thinking about their characteristics.
This method is often used is the researchers want to make the results of their study to be applicable to heteregonous society with variety of age, genders, ethnicities, and genetic compositon.