Oxygen was absent on earth
Answer:
A: 0 to 4 percent
recipitation
Explanation:
Because the gases like carbon dioxide, nitrous oxides, methane, and ozone are trace gases that account for about a tenth of one percent of the atmosphere. Water vapor is unique in that its concentration varies from 0-4% of the atmosphere depending on where you are and what time of the day it is.
Because it is to help urban people to more modern just like in city areas
All tropical cyclones form over the ocean.
Answer: Option B
<u>Explanation:</u>
The tropical cyclones form above the ocean. To form a cyclone, warm, moist air rises above the ocean and as it rises, it creates an area of lower air pressure and air of high pressure area is also shifted to areas of low pressure area which when rises form clouds. This whole system of cloud and wind spins together fed by ocean's heat and as it spins faster and faster it results in a cyclone forming an eye in the center.
Answer:
The answers are right next to each other.
Religious distribution goes to Box 1.
Linguistic distribution goes to Box 2.
Political system distribution goes to Box 3.