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Inessa [10]
2 years ago
8

Why are metamorphic rocks usually harder and denser than their parent rocks?

Biology
1 answer:
maksim [4K]2 years ago
5 0

Answer:

Explanation:

Metamorphic rocks are harder and denser than their parent rocks because they started off the same as their parent rocks but at some point were met with extreme heat and pressure. These conditions melted and compressed the parent rocks so much that it created metamorphic rock that was extremely hard and dense. This is why metamorphic rocks are usually found deep under the Earth's surface.

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Answer all parts of the question:
tamaranim1 [39]

Answer:

a. 0.03054 b. 0.000032 c. sorry I am not perfect

Explanation:

  • a. In the number 0.03054 , you need to move the decimal point two places to the right to get to 3.054 (which is between 1 and 10). Since you moved the decimal point two places to the right, you must indicate it by saying that you multiplied 3.054 by 10−2 . Think about it: 3.054×10−2=0.03054 .
  • b. Answer: 0.0000302 Step-by-step explanation: When 10 is to the power of a negative number, "move" the decimal dot left. 10⁻⁵ means to "move" the decimal 5 times to the left. 1. Write a bunch of extra 0's for the coefficient. (The coefficient is 3.02). 0000003 . 02 2. Count 5 place values over. 00←0←0←0←0←3 . 02 3. Put the decimal behind the digit. 00 . 0000302 4. Get rid of the 0s that you don't need. You only need one 0 left of the decimal. 0.0000302           <= Final answer 
  • c. sorry but I am not perfect at this

7 0
2 years ago
How to solve these questions
malfutka [58]

Answer:

(i) An allele is a variant of a gene, can either be short or tall.

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(vi) The chance for blue eyes is 50% (or 1:1 ratio)

7 0
3 years ago
The ciliary muscles change the shape of the _____, providing about 20% of the eye's focusing power.
liberstina [14]
The ciliary muscle is a circular ring of muscle that attaches all the way around the lens. This ciliary muscle can change the shape of the crystalline lens by stretching it at the edges.
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Marianna [84]

Answer:

C. Northwestern side of a low-pressure system

Explanation:

I just did the test ^^

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One of gold's physical properties is its _____. A. color B. acidity C. basicity D. chemical reactivity
Shtirlitz [24]
D man but not 100% sure
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