Answer:
the desk is the answer because the sound wave is propagating through the solid bench.
Answer:
Federalism negative aspects include, the opportunity costs of decentralization, which materialize in terms of unexploited economies of scale; the emergence of spillover effects among jurisdictions; and the risk of cost-shifting exercises from one layer of the government to the other.
Answer:
agree.
Explanation:
an icrease in income will increase goods
I. Increased carbon emissions
seems to be unlikely/wrong, so options c and d are out
I would go with a, but it's almost 50/50 to b.
my best advice is that c and d are nonsense based on III and I