It's easy.
145=2x-5
150=2x
x=75
The difference between a dry climate and a tropical climate is that the dry climate as you know is dry and the tropical climate is moist and wet, the compare is tropical wet climates receive much more rain than tropical dry climates do. However, the term “tropical wet and dry climate” actually refers to a single type of climate. Tropical dry climates occur in deserts, while tropical wet climates usually occur along the rainforest belt.
Answer:
Writing
Explanation:
Hunter-gatherer societies had religion, art, language, and many other things that other later societies also had. But they didn't know how to write. Writing came later with more permanent settlements that were made possible by humans learning how to cultivate and grow their food and didn't have to move that much, or at all anymore.
Answer:
So they don't get ruined and flooded and so the rich people living on the coast don't all die
Explanation: