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3 years ago

PLEASE HELP ME

2 answers:

4 0

Two hazardous conditions are radiation and small debris and u can use gold to reflect the uv radiation and u can use strong metals to prevent debris from damaging the shuttle.

frez [133]3 years ago

3 0

Answer:

Space travellers or astronauts may have to face hazardous health conditions like hypothermia due to the absence of heat.

Meteor showers can also cause a serious threat to the spacecraft and the astronauts in it.

Explanation:

When space travellers or astronauts are on a long space mission, they are vulnerable to a number of health hazards.

Hypothermia (death due to freezing) and meteor showers are the ones that can cause the greatest damage to life and property in the space.

To protect the astronauts from hypothermia, the spacecraft needs to be equipped with proper insulation so that the spacecraft doesn't stand vulnerable to temperature drops.

To protect the astronauts from meteor showers, the spacecraft should be equipped with the most advanced sensors and engines with a powerful thrust capable enough to allow the spacecraft to change its path quickly.

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3 years ago

Which of the following statements describe(s) the importance of environmental protection in North America?

katen-ka-za [31]

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2 years ago

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laiz [17]

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3 years ago

If Earth's atmosphere did not contain greenhouse gasses and was only composed of Nitrogen and Oxygen, by how much would Earth's

Flauer [41]

Answer: 1- Option (D)

2- Option (A)

Explanation:

The green house gases plays a significant role in the earth's global temperature. In absence of green house gas, the earth would have been very much cold and life would would be difficult to exist. The average global temperature would have been about -15°C to 25°C. So the most favorable answer given here is that the earth's temperature would have decrease by about 60°C.

Carbon dioxide (CO₂) is not the most abundant green house gas. It is the second most abundant. The present composition of CO₂ in the atmosphere is about 0.04% by volume. A small increase in the CO₂ level, can lead to a global rise in the temperature. Hence, the above statement is false.

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3 years ago

What are the three types of economies

Mkey [24]

[ Answer ]

1 - Command Economies

2 - Market Economies

3 - Tradition Economies

[ Explanation ]

Command Economies:

This is where production, investment and prices are all controlled and determined by the government. Command Economies are not controlled by free market. The Government decides how much a product should cost and what price they should be put for sale as.

Market Economies:

This is where the product prices and value are determined by the product keeper and/or seller. The seller decides how much they want to sell it for, not the Government. This also comes with supply and demand. Prices can increase or decrease as the seller wishes.

Tradition Economies:

This is where the economy relies on customs and history. They go by what has been done in the past and what has worked out before. Traditional Economies depend on farming, agriculture, fishing, and natural sources.

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3 years ago