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nekit [7.7K]
4 years ago
10

Question 1

Chemistry
1 answer:
anzhelika [568]4 years ago
8 0

Question 1: Fission

Question 2: Chain reaction

Question 3: Controlled nuclear fission

Question 4: Hard to find safe nuclear disposal of...

Question 5: The ionising ability of radiation to affect cell functions.

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Which is correct if 15,390,000 is rounded to two significant figures?
BARSIC [14]

Answer:

Explanation:

Remark

This is one of those questions that you need the choices. You can't tell what you should enter. For example, in scientific notation, you would get 1.5*10^7.

Or you could keep it as an integer and round to two places 150,000,000,

I would pick scientific notation if you know how to use it. Otherwise use the interger format.

7 0
2 years ago
How many seconds are in one year?<br> how many seconds are in 1 year
Alja [10]

Answer:

Hey mate.....

Explanation:

This is ur answer....

<em>31,536,000 seconds </em>

<em>drum roll, please… one year would equal 365 times 24 times 60 times 60 seconds…or 31,536,000 seconds! That's over 31 million seconds you have to spend over the next year....</em>

<em></em>

Hope it helps u,

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5 0
3 years ago
Design a concept map that shows the relationships among the following terms: volume , derived unit , mass , base unit , time , a
Svetlanka [38]

Base unit is the fundamental unit of measurement that is not mutually dependent. The seven base units are,

Length - meter

Mass- kilogram

Time - second

Temperature - Kelvin

Current - Ampere

Luminous intensity - Candela

Amount of matter - mole

Derived units are derived from the seven base units. Like the area (square meters) is the square of length (meters), volume is the cube of length.


5 0
3 years ago
Why do rocks have different color stripes
Gekata [30.6K]
For example Existing rock is weathered into sediment, then compacted, cemented and finally Lithified (Lithification)
4 0
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30 points 2 quistions 6th grade sceince WHAT?????????????????????YEP ITS TRUE 30 POINTS!!!!!!!!!!!!!!!! for 2 Q 6th grade sceinc
g100num [7]
  1. The megnets push away from each other,
  2. b the center of mass is equally layed out
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3 years ago
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