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faltersainse [42]
3 years ago
14

Index fossils are most useful because they ____.

Geography
1 answer:
Cloud [144]3 years ago
5 0

Answer: occur over a brief time interval

Explanation:

Hi, index fossils are easily identifiable fossils distributed in a wide geographic area. Their most important characteristic is their short geological range. It means that these types of fossils occur over a brief time interval when the organism was present on earth.

The shortest the lifespan the more valuable the fossil is.

Feel free to ask for more if needed or if you did not understand something.

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The particular name of an igneous rocks consisting of minerals is best determined using the chart in the lab book and noting:___
Yanka [14]

Answer:

C, the relative color

Explanation:

Color indicates the composition of a rock or mineral.  A felsic composition is indicated by light colors such as white or pink.  Intermediate rocks or minerals have a medium color such as gray or an equal part of dark and light colored minerals . Mafic or ultramafic rocks or minerals are dark colored such as black or brown however they might also contain light colored minerals within them.  

5 0
3 years ago
With increased altitude, atmospheric pressure _____.
maks197457 [2]
Decreases. The higher you go up, the less air will push on your body. Thats why astronaughts need space suits in space to keep their bodies pressure-ized.
4 0
4 years ago
Most metallic ores are produced by which two types of processes? metamorphic and sedimentary igneous and metamorphic igneous and
Paul [167]
Igneous and metamorphic. mainly igneous.
5 0
3 years ago
Read 2 more answers
Which plate boundary and movement commonly create volcanoes that can result in the development of habitable islands? Explain how
nasty-shy [4]
1:Plates move away from one another at divergent boundaries. This happens at mid-ocean ridges<span>. Plates move towards one another at convergent boundaries; one plate is forced below another in a process called subduction. 

2:</span><span>In areas where the </span>plates<span> come together, sometimes volcanoes </span>will<span> form. Volcanoes</span>can<span> also form in the middle of a </span>plate<span>, where magma rises upward until it erupts on the seafloor, at what is called a “hot spot.” The Hawaiian </span>Islands<span> were </span>formed<span> by such a hot spot occurring in the middle of the Pacific </span>Plate<span>.

I hope this helps!</span>
6 0
4 years ago
Each of the following figures shows Earth with a different axis tilt. (Assume that Earth’s rotation period is unchanged.) Each a
Galina-37 [17]

Answer:

Tilt = 23 1/2 (Florida Summer)

Tilt = 0

Tilt = 23 1/2

Tilt = 45

Tilt = 90

Explanation:

  • From the most daylight to the least daylight the tilt of the planet on its axis will form the 23 and a half in the northern hemisphere that gets most of the sun and the equator as 0 degree has amp;e of sunlight through the day in north and south side and the winter again in the southern hemisphere as 23 and half degree.
  • The angle of the 45 degrees s darkness as in the winter season and due to the titled nature of the axis and the distance from the sun. And the angle of 90 degrees again has darkness as the sun is too far and daylight becomes shorter with the extremes.
7 0
3 years ago
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