Answer:
Blue
Explanation:
Blue color is used in the topographical map to show water bodies like perennial river, canal, well, tank and spring.
A negative feature of a free market system is, it's unequal and some people do well while others do not.
<u>Explanation:</u>
Free market may give rise to monopolistic trade practices. A free market system is an economic system which is not controlled by the government. This means that fair trade practices may not be a part of this market system resulting in the development of monopoly of some traders while others may not do well and may need to exit the market.
Answer: 2060
Explanation:
The world's population is expected to reach 9.7 billion by 2050 and it is projected that the European and Mediterranean population will be less than 50% of the population of the U.S.
The population of the U.S is projected to be over 403 million and will be the fourth most populous country in the world. The European/Mediterranean population will fall to below 200 million in 2060. This region covers France, Portugal, Italy, Spain, Greece, Malta and Cyprus. Population of these countries in 2060 are projected to be about 67 million, 8.5 million, 50.5 million, 41 million, 8.4 million, 414,000, and 1.3 million respectively.
Because Cyanobacteria appeared
Cyanobacteria's excrement formed a lot of oxygen in the atmosphere which make the earth temperature cold
This allow a liquid water to formed on the surface ( because if the temperature is too high, the water will evaporate) and eventually formed oceans
Weather with high pressure is usually drier, so take from that what you can.