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ANTONII [103]
3 years ago
12

Heeeeelp and thanks :)

Biology
1 answer:
ollegr [7]3 years ago
6 0
A:)))))))))))))))))))))))))))))))
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Which problem does the Montreal Protocol attempt to remedy?
madreJ [45]

Answer:

A.The hole in the ozone layer

Explanation:

• Montreal protocol is an international treaty that was signed to control the use of substances that are resulting in the depletion of the ozone hole.

This treaty was signed in the year 1987 and became effective form 1989.

• Since the time that this treaty has come into force, there has been a significant improvement in the ozone hole that was observed over Antarctic as it's size has decreased.

• This improvement has been possible because the treaty helped to phase out chemicals such as chlorofluorocarbons, carbon tetrachloride, etc. that are responsible for ozone hole depletion.

5 0
2 years ago
This nutrient is needed for proper growth and development. a. fats b. carbohydrates c. protein d. minerals
svp [43]
The correct answer should be B. CARBOHYDRATES
6 0
3 years ago
Which sequence represents the correct order of levels of organization found in a complex organism?
icang [17]

<u>Answer:</u>

C is the answer.

<u></u>

<u>Explanation:</u>

Organelles (the smallest in this situation) are what you can find inside a cell (example: nucleus, mitochondria, etc..).

Cells are what make up tissues (such as muscles).

Tissues make up organs (such as the heart) and organs make up organ systems (such as the circulatory system).

5 0
3 years ago
The black dots that cover strawberries are actually individual fruits. The fleshy and tasty portion of a strawberry derives from
yaroslaw [1]

Answer:

C) both an aggregate fruit and an accessory fruit

Explanation:

When several flower ovaries or receptacle of a flower with many separate carpels joins together they form aggregate fruit. Each ovary has a single ovule that converts into a seed after fertilization.

Aggregate fruit can be formed without the involvement of accessory parts called true aggregate fruit or with the involvement of additional floral parts called accessory aggregate fruit. Strawberry is also an accessory aggregate fruit because the different ovaries in the strawberry develops into achenes over the surface of flower receptacles.

4 0
3 years ago
For earlobes only, how many students in your class do you think will share the same form (free or attached) as you?
zvonat [6]

Answer:

sometimes

Explanation:

it all dependes on something

5 0
2 years ago
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