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Aneli [31]
3 years ago
11

The theory that explains how the earths surface is made up of moving rocky plates is called: A.Supercontinent B.Plate tectonics

C.Sea floor spreading D.Continental drift
Biology
1 answer:
omeli [17]3 years ago
8 0

Answer:

Plate tectonics

Explanation:

Plate tectonics is a scientific theory describing the motion of seven large plates and the movement of a larger number of smaller plates of the Earths lithosphere.

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7 + 7 + (–1) = <br><br> A. 13 <br> B. 10 <br> C. 16 <br> D. 7
Burka [1]
Step 1. Simplify brackets

7+7-1

Step 2. Simplify

13

Done! :) Your answer is A. 13 Hope this helps!
4 0
3 years ago
4. What does a total solar eclipse look like from Earth?
EastWind [94]

4. When you look up to the sky, it appears as a dark circle with  halo light at its edges moving across the face of the sun. As it does, depending on the relative position of the person on earth – that determines where they are on the umbra or penumbra of the eclipse, the place becomes a daytime twilight (umbra) or partial twilight (penumbra).

5. A new moon is formed when the moon is in between the sun and the earth. This is converse to the case of a lunar eclipse where the earth is between the sun and moon. In a new moon, the face of the moon that is faced towards the earth is dark because it is not lit by the sun. It is important to note that a solar eclipse is not formed because the moon’s orbit, around the earth, is tilted at an angle.

5 0
3 years ago
12 POINTS! If the frequency of a sound increases, what happens to its wavelength?
posledela

Answer:

A. The wavelength increase

Explanation:

The wavelength should increase if the frequency of a sound increases.

??? (Sorry if this is wrong)

4 0
3 years ago
Need Help with these questions ASAP!!
Alborosie

Answer:

1. C. Animals on land are very different from those in the sea

2. B. The shrimp could move to a new feeding ground

3. C. 300 feet

4. Unsure, but if I were to guess C. There is a similar environment

5. C. role in the food chain

Explanation:

8 0
3 years ago
Which population is limited by density-dependent factors?
dedylja [7]

Answer: (c) A local wolf population experiences a lethal epidemic of parvovirus.

Explanation:

A limiting factor is one which is capable of limiting the population of the species. It can be a living factor or a non-living factor.  

The density dependent limiting factor is a factor which affects the population of a species depending upon the size of the population. There are many density dependent limiting factors such as disease, migration, predation and food.  

C is the correct option, this is because of the fact that the epidemic outbreak can spread over to the large number of members of the population. If larger the population size more likely will be the chances of spreading.  

3 0
3 years ago
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