How were airplanes used during world war 1?

At the start of the First World War, aircraft like the B.E. 2 were primarily used for reconnaissance. Due to the static nature of trench warfare, aircraft were the only means of gathering information beyond enemy trenches, so they were essential for discovering where the enemy was based and what they were doing.

Explanation:

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