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zepelin [54]
2 years ago
8

In the angiosperm life cycle, two sperm cells are discharged in each ovule. The reason that two sperm nuclei travel down the pol

len tube is that___.
Biology
1 answer:
blondinia [14]2 years ago
5 0

Answer:

One fertilizes the egg, and the other combines with the two polar nuclei.

Explanation:

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Which of the following are contributing factors to the extinction of species?
meriva

Answer:

Deforestation

Climate Change

Invasive Species

Explanation:

Seventy percent of the Earth's plant and animals dwell in forests, and deforestation affects them directly. Once their habitat is lost, they are on their way to extinction.

Climate change also causes extinctions not only as a result of species intolerance to high temperature, but more commonly via a variety of related factors that alter a species’ interactions with other species.

Invasive species invade foreign territory. They use resources that the other species depend on. Then naturally one of the species will die off.

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2 years ago
A child receives an X chromosome from its mother and a Y chromosome
maks197457 [2]

Answer:

the child must be male

Explanation:

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The cell membrane of a plant is surrounded by a thick which supports and protects the cell
Marat540 [252]
That would be the cell wall

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3 years ago
If you have normal vision, your eyes are not covered, and you are in a well-lit area, then opening your eyes is a necessary and
grandymaker [24]

Answer:

true

Explanation:

When your eyes are not covered and you are in an area with good lighting, then opening your eyes would certainly be a necessary thing to do to be able to see and this makes your vision to be normal.

According to Leo Gross, you can have a normal vision if you are 20 feet away from a particular spot and you see what a normal person sees on that same spot. There is the Snellen chart one is also expected to read in that position, so maintaining a normal vision means someone has 20/20 vision.

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2 years ago
Sustainable use of water as a natural resource in your community
yarga [219]
Water is a limited natural resource, vital for the expansion and development of, not only our specie, but each individual living organism in the planet. Hence, in a community proper water management is a must in order to make sure that water be maintained and cared for -used wisely. In one research, it is estimated that by 2025 more places will feel water scarcity than decades ago. 
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3 years ago
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