Why contomporary global enviromental challenges are diffrent from those humanity had faced earlier​

Acid rain etc.

Explanation:

Climate change, ocean acidification, carbon emissions, urbanisation, wastewater treatment, ozone depletion, water contamination, species extinction, and other environmental issues affect every individual, plant, and nation on earth.

These worldwide ecological threats are unlike those that mankind has previously encountered.

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