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Cerrena [4.2K]
3 years ago
7

Which statement accurately describes radioactive dating?

Chemistry
1 answer:
geniusboy [140]3 years ago
7 1

Answer:

its d and can i get brainliest plz:)

Explanation:

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4. All of the following are examples of natural causes of air pollution
erma4kov [3.2K]

Answer:

factory emissions

Explanation:

8 0
3 years ago
Which half-reaction correctly represents oxidation?
Leokris [45]

Answer: Mg\rightarrow Mg^{2+}+2e^- represents oxidation.

Explanation:

Oxidation-reduction reaction or redox reaction is defined as the reaction in which oxidation and reduction reactions occur simultaneously.

Oxidation reaction is defined as the reaction in which a substance looses its electrons. The oxidation state of the substance increases.

Example: Mg\rightarrow Mg^{2+}+2e^-

Reduction reaction is defined as the reaction in which a substance gains electrons. The oxidation state of the substance gets reduced.

Example: Mg^{2+}+2e^-\rightarrow Mg

Mg\rightarrow Mg^{2+}+2e^- represents oxidation.

4 0
3 years ago
Characteristics of matter that cannot be changed are called
olchik [2.2K]
It is called Mass.

Among the physical characteristics of a matter which includes Weight, Mass, Volume, and Density the only characteristic that does not change is the mass. The mass of an object never change from place to place. All the objects have a mass and that is why there is a weight but it changes depends on the gravity. Mass don't.
5 0
3 years ago
Change 0.00765 kL into mL
bagirrra123 [75]

Answer:

7650

Explanation:

formula- multiply the volume value by 1e+6

4 0
4 years ago
Read 2 more answers
Fish need about 5 ppm oxygen dissolved in water to survive. Will water with 5 mg oxygen per
Lelechka [254]

5mg in liter is 5 ppm

Explanation: 1 ppm is one part per million.

1 ppm is 1 mg is one part of million from 1 kg = 1000 000 mg

1 litre water is 1. Kg.

3 0
3 years ago
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