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Vladimir [108]
3 years ago
6

Which of the following has had the greatest effect on ozone depletion?

Biology
2 answers:
prohojiy [21]3 years ago
8 0
D).Chlorofluorocarbons (CFCs) is the correct answer for the statement above <span />
Rom4ik [11]3 years ago
7 0

Correct answer: D) Chlorofluorocarbons (CFCs)

Ozone depleting substance are those substance which causes depletion of the ozone layer.

These ozone depleting substances are used in refrigerators,  airconditioners,  refrigeratorsfire extinguishers, , as solvents for cleaning, in dry cleaning, electronic equipment and as agricultural fumigants.

The chemical which are most commonly known to cause depletion of ozone layer are :

Chlorofluorocarbons (CFCs)

Carbon tetrachloride (CCl4),

Methyl chloroform (CH3CCl3)

Hydrobromofluorocarbons (HBFCs)





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Identify how the physical barriers of the the immune system protect the body against pathogens
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Answer:

They help to stop harmful germs from entering the body

Explanation:

  • The skin can prevent bacteria and microorganisms from entering the body (unless it is damaged)
  • Mucous membranes line the mouth and nose and are coated with secretions that fight microorganisms and harmful bacteria
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3 years ago
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tresset_1 [31]
This should be true.
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What happens in prophase 1 meiosis
jasenka [17]

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Chromosomes become visible, crossing-over occurs, the nucleolus disappears, the meiotic spindle forms, and the nuclear envelope disappears.

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3 years ago
Which two organisms in the food web would MOST LIKELY be affected by a decrease in producers, or the plants, at the bottom base
34kurt

Grasshopper and cricket are two organisms in the food web would MOST LIKELY be affected by a decrease in producers, or the plants, at the bottom base of the food web.

D) grasshopper and cricket

<u>Explanation:</u>

A food web comprises of many food chains. An evolved way of life just follows only one way as creatures discover food. It is an enormous number of plants and creatures things. A food web shows a wide range of ways plants and creatures are associated with one another for their prey.

Though Grasshopper and cricket are two living beings in the nourishment web that would be generally influenced by a diminishing in makers, or the plants, at the base of the nourishment web.

Like every living life form, crickets and grasshoppers assume a significant job in keeping up the equalization of the biological system. They breakdown plant material, restoring soil minerals. They are also an important source of food for other animals.

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Which statement about forces is true? A. Forces are defined by strength but not direction. B. Forces are defined by direction bu
navik [9.2K]

Answer:

C

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The direction and strength affect the force

6 0
2 years ago
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