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Ilia_Sergeevich [38]
2 years ago
7

What 2 solutions could help restore the ecosystem back to normal?

Chemistry
1 answer:
Pavel [41]2 years ago
6 0
  • Renewable energy and energetic efficiency. ...
  • The electric vehicle. ...
  • Greater environmental control. ...
  • Air purifiers. ...
  • Graphene filter for water. ...
  • Food sovereignty and agroecology. ...
  • Sustainable development.
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Which rule for assigning oxidation numbers IS correct?
Vilka [71]

Answer:

B.) Oxygen is usually -2

Explanation:

Hydrogen is usually +1.

A pure group 1 element is not always +1.

A monoatomic ion can be a range of numbers. However, it must be a charge other than 0.

3 0
1 year ago
Which kind of energy does an object have because of its height above Earth's
jonny [76]

Answer:

C po

Explanation:

baka po pero pwd din ang B pero ok ang C

3 0
2 years ago
Read 2 more answers
Witch wave is mad up of vibrating electric and magnetic fields that can move through space at the speed of light
8_murik_8 [283]

Answer:

Hiya! Your answer would be an Electromagnetic Wave.

Explanation:

Electromagnetic Wave is an electromagnetic wave that travels through space at the speed of light at about 300,000 kilometers per second. So when we talk about light traveling in waves, we can also talk about frequency, or the number of wavelengths that pass a certain point in a given length of time. We usually measure this as the number of wavelength cycles that pass per second. The units for this measurement are Hertz (hz).

So, if the wavelength of a light wave is shorter, that means that the frequency will be higher because one cycle can pass in a shorter amount of time. This means that more cycles can pass by the set point in 1 second. Likewise, a light wave that has a longer wavelength will have a lower frequency because each cycle takes a longer time to complete.

Hope I helped and I hope you get it right! :). Have a lovely day my friend!

~Bella

3 0
3 years ago
PLEASE HELP ME ASAP I WILL MARK BRAINLYEST
Dafna11 [192]

If the soil reacts with vinegar it's ph level is higher than 6.5

8 0
2 years ago
Since all atoms have negatively charged electrons, shouldn’t every sample of matter have a negative charge ? Explain
Salsk061 [2.6K]

The three sub-atomic particles that made up an atom are electron, proton and neutron. The proton and neutron are present in the nucleus of an atom whereas electrons revolve around the nucleus in the orbits. The atoms are electrically neutral that is they have no charge due to the presence of equal number of protons (which is positively charged) and electrons (which is negatively charged).

All the atoms have negatively charged electrons which are counter balanced by the presence of equal number of protons in the nucleus of an atom and thus, the element is neutral in nature and possess no charge.

6 0
3 years ago
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