5. In a(n) , all subjects of the population are studied. A) experiment B) sample survey C) census D) observational study

C) census

Explanation:Refers to a survey in which a data is collected from the whole population which is different form sample survey that takes only a sample that is representative of the whole population.

Census are usually done to collect some information that the government can use to understand the public citizens and in some states it is done every year.

president reagan was a good presidant and should be presidant if he was still alive

explanation:

"harry t. moore (1905-1951) – civil rights activist, leader, and the first martyr of the civil rights movement. fannie lou hamer (1917–1977) – leader in the american civil rights movement; co-founder of the national women's political caucus and freedom democratic party. james farmer (1920–1999) – congress of racial equality."