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2 years ago

What purpose does a female pine cone serve?

Biology

2 answers:

Neporo4naja [7]2 years ago

7 0

The answer is A It protects the seed until it matures.

hope this helps

zaharov [31]2 years ago

7 0

Answer:

the answer is A

Explanation:

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According to the cell theory, which describes cells? All organisms are composed of multiple cells. All cells have the same struc

mario62 [17]

Answer:

cell describes that

<h3> ' ALL CELLS HAVE THE SAME STRUCTURE AND FUNCTION '. </h3>

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3 years ago

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Which best describes bryophytes? Select one:

Elenna [48]

Answer:

The correct answer is d.non-vascular plants with a dominant gametophyte.

Explanation:

Bryophytes are non-vascular plants that present a reduced and not constantly present sporophyte, also their gametophyte is very dominant and is, basically, the whole structure. Their sporophyte only grows when they're reproducing and they disappear when the spores are spread.

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3 years ago

Which of the following indicates that the universe is expanding?

zaharov [31]

D. red shift of the galaxies in the local group!

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2 years ago

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During gym class, Raul walks briskly for a half hour. Jenna decides to sprint and run the bleachers for the same amount of time.

lbvjy [14]

Answer:

The correct answer would be Jenna’s cells are producing more lactic acid than Raul’s cells.

Workouts like sprints, bleachers, weight training et cetera come under the anaerobic zone of training.

They cause lack of oxygen in the muscles due to which muscles undergo lactic acid fermentation to produce energy (ATP).

Lactic acid fermentation converts one molecule of glucose into 2 molecules of lactic acid with a net gain of 2 ATP (as compared to 36-38 ATP produced in aerobic respiration).

Decreased efficiency in energy production leads to the utilization of more and more glucose or glycogen reserves of the muscles and lead to the accumulation of more and more lactic acid.

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2 years ago

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Which of the following are human activities that can

Brums [2.3K]

Answer:

Option C is the correct answer.

Explanation:

Agriculture however dont harm or give negative impact on the nature.
Earthquake is a natural disaster which is not caused by human.
Plastic pollution leads to imbalance in ecosystem as many people burn it which causes imbalance in carbon oxygen cycle. it also destroy the quality of soil.
Drought is just a condition where there is no rainfall.

Hope it helps...

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2 years ago