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Len [333]
3 years ago
15

2. What percentage of the Earth's History has man been in existence? (1 point)​

Geography
1 answer:
pochemuha3 years ago
6 0

Answer:

It's answer is somewhere between 0.2•\° and 0.13°\•

Explanation:

there is no date because science hadn't Found out

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1. What layers of Earth make up the lithosphere?
Jobisdone [24]
<span>Answer 1: The correct answer is the crust and the upper mantle.

The lithosphere refers to a solid, rocky part of the Earth, that is the Earth's outermost layer. It is comprised of the crust and upper mantle (refer to attached image). The lithosphere is around 100 km deep.

Answer 2: The correct answer is its crust.

The Earth's crust refers to the outermost rocky shell of the Earth where organisms live (refer to second image). The crust is made of solid rocks, including igneous, sedimentary and metamorphic rocks. The Earth's crust is around 30 km deep.

Answer 3: The correct answer is iron and nickel.<span>

The Earth's core refers to the innermost or central part of the Earth. It lies around 2900 km beneath the Earth's surface and is spherical in shape. The Earth's core is comprised of an alloy (mixture) of the metals iron and zinc.It is made of two layers: the outer core and the inner core.   </span></span>

5 0
3 years ago
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A grid system makes it easier to find ________ on a map.
Maslowich
I believe your answer would be places. Because a grid system makes it easier to find a location on a map. Hope this helps!
7 0
2 years ago
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Which factor was Wegener unable to explain that prevented many geologists from accepting his theory of continental drift?
aleksklad [387]
B. how similar geological features could be continued from one continent to another.
8 0
3 years ago
When might engineers use a topagraphical map
Karolina [17]

Answer: To locate interesting landforms, to find their way through an area,

Explanation:

Generally a topographic map is used to share information of certain area, it describes the distances between the points on the surface of the earth and their elevation levels with the help of contour lines.

One can understand fully an area with the help of a topographic map, even without visiting that area.

So a topographic map gives you three dimensional information of an area.

It is mainly required before the design of any thing over any area.

8 0
3 years ago
How might climate regions help geographers analyze plant life in a particular place.​
IRINA_888 [86]

Answer:

The altitude, latitude and availability of sunlight and water.

Explanation:

  • There are various types of climatic effects that help geographers identify the plant life in a particular place as the altitude, latitude, and duration of sunshine, cloudiness, and amount of rainfall.  
  • There are certain types of biogeographical realms or ecozones on earth that influence the type of natural vegetation and are governed by their respective climates.  
  • Therese regions are also called as biomes. These regions are broadly classified by the type of biota and that is dependent on the availability of water and sunlight.
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3 years ago
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