To study the effects of age on adult memory, an investigator administers a memory test to a group of college students and then as soon as possible administers the same test to those students' parents and grandparents. The design of this study is best described as

Cross sectional

Explanation:

This is a type of observational study which analyses data from a subset of a population at a specific point in time in other to determine the prevalence of a parameters.

which statement best describes why a government’s actions are important in macroeconomics? check all that apply.

1 government controls industry through policy.

2 government is both a consumer and a producer.

3 government can prevent changes and challenges.

4 government can use policy to influence the economy.

5 government can accurately predict economic trends.

1 , 2 & 4 for edgenu

according to this graph, how does supply behave in the long run?

a ]output remains constant.

b ]output increases.

c ]output cannot be predicted.

d ]output decreases.

the answer is a ]   for edgenu

what are the answer choices?