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riadik2000 [5.3K]
3 years ago
7

What human activity is most responsible for the damage to the ozone layer?

Biology
1 answer:
Citrus2011 [14]3 years ago
4 0
Polution from cars and factorys
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Which element is a metaloid
Studentka2010 [4]

Answer:

Elements that are the border line of metals and non-metals.some elements near the stepped line have mixed properties of metals and non-metals these elements are called metalloid e.g. Silicon and Germanium

Explanation:

I hope this will help you:)

3 0
3 years ago
2. What is an example of something studied on the molecular level (as opposed to the atomic level)?
Dmitriy789 [7]

Answer:

Something studied on the molecular level is the water.

Explanation:

Water is a molecule formed by two hydrogen atoms and one oxygen atom, whose chemical representation is H₂O. It is a molecule whose polarity makes it a universal solvent of other polar molecules.

The molecular level corresponds to the level of organization where two or more atoms unite to form molecules or substances, united by chemical bonds. H₂O is studied at this level due to its chemical structure.

With respect to other options:

  • <u><em>Hydrogen and oxygen</em></u><em> are atoms, and correspond to the level of atomic organization.</em>
  • <u><em>Protons</em></u><em> are particles that are part of an atom, and correspond to the subatomic level.</em>
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2 years ago
Ycv-puuk-ykc join me only for talking​
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5 0
2 years ago
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What processes occur during G2 phase? Choose all which apply.
Inessa [10]

Explanation:

the last part of interphase is called the G2 phase. The cell has grown, DNA has been replicated, and now the cell is almost ready to divide. This last stage is all about prepping the cell for mitosis or meiosis. During G2, the cell has to grow some more and produce any molecules it still needs to divide.

4 0
2 years ago
Galaxies that are moving away from earth are?
bixtya [17]

Answer:

The galaxies are moving away from Earth because the fabric of space itself is expanding. While galaxies themselves are on the move — the Andromeda Galaxy and the Milky Way, for example, are on a collision course — there is an overall phenomenon of redshift happening as the universe gets bigger.

Sorry someone flagged this

8 0
2 years ago
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