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lina2011 [118]
3 years ago
10

Please help me this science test

Geography
2 answers:
Dominik [7]3 years ago
5 0
Copper and wood. hope this helped!
stealth61 [152]3 years ago
3 0

Answer:

Copper

Explanation:

It can be recycled 100% each time

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Among fossil fuels: Coal is made by heating of woody plant material, and oil is made by heating of algae. Coal is made by heatin
Ivahew [28]

Answer:

Coal is made by heating of woody plant material, and oil is made by heating of algae.

Explanation:

The coal and the oil are both fossil fuels. They have both been very important for the development that the humans have experienced since the Industrial Revolution as they were what provided the energy needed for this process, and they still do.

The coal is a fossil fuel that has formed from woody material, mostly from the Carboniferous forests. Once these forests collapsed, they were quickly covered with water, mud, and sediments. Over time they were covered with even more sediments, so they were getting deeper into the crust. As they were getting deeper into the crust this material was exposed to higher temperatures and pressures, leading to the formation of the coal over the course of millions of years.

The oil is a fossil fuel that has formed from the remains of the marine life, mostly algae. As the algae and the other marine organisms have been dying out, they have fallen on the bottom of the oceans, quickly being covered with the soft sediments. As more and more sediments have been placed on top of them, they too were getting deeper into the crust, so they were also exposed to higher temperatures and pressures, eventually leading to the formation of the oil over the course of millions of years.

4 0
3 years ago
The scale of a map is 1:50,000. If a road is represented in 2.5cm on the map, find the actual length of the road in km.
-BARSIC- [3]
The answer is 1.25km
7 0
3 years ago
the troposphere is the layer of the atmosphere closest to earths surface. which of these would you expect to find in the troposp
Aneli [31]

Answer:

<em>A. a shooting star:-</em>

<em> Definitely we can't find  a shooting star.</em>

<em>B. Extremely high temperatures :-</em>

<em>The troposphere is the lowest layer of Earth's atmosphere, and is also where nearly all weather conditions take place. </em>

<em>C. Clouds:-</em>

<em>As the troposphere is the lowest layer of Earth's atmosphere. Most of the mass (about 75-80%) of the atmosphere is in the troposphere. Most types of clouds are found in the troposphere, and almost all weather occurs within this layer. Air gets colder as one rises through the troposphere.Therefore the clouds are present in the troposphere.</em>

<em>D. The ionosphere:-</em>

<em>The of region ionosphere that includes the thermosphere and parts of the mesosphere and exosphere</em>

<em></em>

<em>Therefore the answer is C. Clouds</em>

<em></em>

<em></em>

<em>Hope this help's you</em>

<em></em>

6 0
4 years ago
What does the theory of plate tectonics explain that continental drift theory could not explain?
mamaluj [8]

Answer:

A. unusual distribution of fossils in the Southern Hemisphere

Explanation:

7 0
3 years ago
Why is it important to study trends in population growth?
timofeeve [1]
So as to find the pattern repeat. Patterns are why we do what we do, the way we do them & how we do them, while observing who we'd most like to be or look like or have the possessions of.
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