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suter [353]
3 years ago
10

Light comes from A. Nerve impulses. B. Electrons. C. An object vibrating. D. Photons

Chemistry
1 answer:
Radda [10]3 years ago
7 0
D. photons it contains light but with zero mass
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Explain how human activity can affect the carbon cycle.
Eva8 [605]

Answers:

              Human activities badly affect carbon cycle. Activities such as burning fossil fuel and deforestation have begun to effect on carbon cycle and the rise of carbon dioxide in atmosphere.

Explanation:

                   The carbon cycle can be affect when carbon dioxide is either released into atmosphere or remove from atmosphere. When fossil are burnt , carbon is release to the atmosphere at faster rate then it is removed. Natural gas, oil, coal, and other industrial products all are affecting carbon cycle in atmosphere.

                     Deforestation means permanent removal of trees from forest which cause increase in level of carbon dioxide because no trees longer to absorb carbon dioxide from atmosphere. Which result affect on carbon cycle.


4 0
3 years ago
Read 2 more answers
Based on the information that is given, which atom is the table ?
andriy [413]

Answer:

The one with the greatest mass would be the one that has the most things in the nucleus, protons and nutrons

Explanation:

3 0
2 years ago
Name the type of chemical reaction : CaO(s) + H2O(l) -----------Ca(OH)2(aq)
Anna [14]
It is called Synthesis reaction
5 0
2 years ago
If a car jack's output force is 1000 N and the mechanical advantage is 6.8, what is the input force?
Travka [436]
Answer
147.06N
Explanation:
MA=Load/Effort
6.8=1000/x
Finding x you make x the subject and divide 1000 by 6.8 which is 147.06N
4 0
1 year ago
List all orbitals from 1s through 5s according to increasing energy for multielectron atoms. rank orbitals from smallest to larg
GaryK [48]

Answer:

1s < 2s < 2p < 3s < 3p < 4s < 3d < 4p < 5s

Explanation:

You can predict the order of orbital energies by constructing a diagram as shown below.

Follow the arrows to get the orbitals in order of increasing energy.

The order is

1s < 2s < 2p < 3s < 3p < 4s < 3d < 4p < 5s

3 0
3 years ago
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