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solong [7]
3 years ago
10

Which type of electromagnetic radiation has the longest wavelength? A) ultraviolet B) gamma rays

Geography
1 answer:
Xelga [282]3 years ago
7 0

Answer:

D) radio waves

Explanation:

Radio Waves -- The waves in the electromagnetic spectrum that have the longest wavelengths and lowest frequency are called radio waves. Radio waves are used to transmit information from the antenna of a broadcasting station to the antenna of your radio or TV.

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The extraordinary flat land of the west siberian plain stretches from the ural mountains for how many square miles
balu736 [363]
It covers around 1,200,000 square miles.

https://www.britannica.com/place/West-Siberian-Plain
4 0
3 years ago
If the sin 30° = , then the cos 60° = ________
sp2606 [1]
If the sin 30° = 0.5, then the cos 60° = 0.5
8 0
3 years ago
Climate change is caused mainly by changes in the balance between the amount of solar radiation received by Earth and the amount
miss Akunina [59]

Answer:

Yes, that is very much true, just because climate change is caused mainly by changes in the balance between the amount of solar radiation received by Earth and the amount of heat radiated back into space by the Earth.

  • <u>Climate change:</u>

<em>"The change in stability of the environmental factors or the negative effects  in the equilibrium inside the environment is called as the climate change."</em>

  • <u>Global Warming And the green house effect:</u>

<em>"The overall rise in temperature of the earth spheres and its environment is termed as global warming, and its due the green house effect(the negative effect due to the increase level of CFC's)."</em>

  • <u>The trapped Sun radiation inside the earth's sphere:</u>

<em>"Due to large number of CFC's inside the earths sphere, as they results in trapping the radiation which needs to be radiated back out of the earth's sphere. Causing the rise in temperature of the overall environment."</em>

Explanation:

  • The chloro, floro and carbon elements which are also termed as the CFC's in general are created due increase level of industrial waste presence in the environment, leading to more solar radiation trapped inside the outer sphere of the earth's protective shield. Due, to this process the gasses are trapped inside the earth's sphere resulting in the rise in temperature.
  • <u>Consequences of Climate Change:</u>
  1. As our earth passed from various levels and situations and as there were also some ice ages, which almost resulted in creating inhabitable situations for the living beings.
  2. But, these days earth is facing some alarming situations in the form of high temperature in its environment, which is some how leading to some thing more worse.
  3. There will be less resources of food in the near future and most importantly there will be species like polar bears and some marine animals who will face extinction due to the rise in temperature inside the environment.
7 0
3 years ago
Which of the following describes how a subsistence farmer uses land?
Gnoma [55]

Answer:

B. grows food and tends livestock to provide for a family

Explanation:

A subsistence farmer uses land in such a way that they only grow food and tends livestock to provide for a family.

They usually make use of crude tools such as basic gardening equipment to cultivate their portion.

  • Subsistence farming does not require many farming technicalities.
  • A farmer simply cultivates a piece of land and rare a limited number of animals for the need of himself and that of his family.
  • Farming activities are generally less complex.
  • It is not usually done for profit but to provide basic necessities for a small family.

So, a subsistence farmer uses the land to grow food and tend livestock to provide for a family.

7 0
3 years ago
What insight can geography provide regarding the unity and division that pervades the contemporary world?
Lelechka [254]
The international division of labor - specialization of individual countries in the production of certain products.The international division of labor based on the differences between the countries in the natural and climatic conditions, geographical location, natural resources and energy sources.At the same time the world united in a single trade and economic system that allows you to share the most products with each other.

3 0
3 years ago
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