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cluponka [151]
3 years ago
13

The neucleus of about atom contains positive or negative electrons

Physics
1 answer:
lesya [120]3 years ago
7 0
The nucleus of an atom contains neutrons and protons.
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Two rockets are being tested. Both rockets have the same mass. One rocket accelerates at a higher rate than another rocket. What
cestrela7 [59]

Answer:

d

Explanation:

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3 years ago
You wish to cook some pasta and so take some water and heat it on a stove. If you use 2000 grams of water with an initial temper
Ronch [10]

Answer:

the stove energy went into heating water is 837.2 kJ.

Explanation:

given,

mass of water = 2000 grams

initial temperature = 0° C

Final temperature = 100° C

specific heat of water (c) = 4.186 joule/gram

energy = m c Δ T                            

            = 2000 × 4.186 × (100° - 0°)

            = 837200 J                          

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hence, the stove energy went into heating water is 837.2 kJ.

3 0
3 years ago
What is the process by which water dissolves certain minerals in the soil and carries them away?
Mademuasel [1]
The correct answer would be LEACHING. When at first thought, it would seem that it is erosion. Erosion not only eliminates the soil minerals, it also washes everything else and that includes the soil. <span>In a different manner, Leaching can happen when certain minute particles of the minerals are melted and mixes with water. All that is left in the soil will be the bigger particles that are not soluble by water. In this manner, only a soil that cannot properly nourish remains as it is stripped off of minerals.</span>
6 0
3 years ago
The number of significant figures in the measurement 4.300×10^5 km are​
ICE Princess25 [194]

Answer:

6

Explanation

Any numbers in scientific notation are considered significant. For example, 4.300 x 10-4 has 4 significant figures.

Answer From Gauth Math

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3 years ago
Select the correct answer.
Valentin [98]

Answer: C. work and time

Explanation: hope this helps

5 0
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