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Studentka2010 [4]
3 years ago
6

Heat rising in a hot-air balloon is an example of __________.

Biology
1 answer:
gayaneshka [121]3 years ago
8 0
B convection is the correct answer
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What are centrioles?
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A centriole is a small set of microtubules arranged in a specific way
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3 years ago
The first step in treating drinking water, called ____________________, involves passing water through a series of screens.
AlekseyPX

The right answer is Filtration.

A water filter is composed of a filtration system that aims to separate the water from the solid particles (residues) by passing it through a porous medium, which allows only the liquids and the finer solid particles to pass through. as the filter holes (porosity). The water that comes out of this filtration system is rid of solid particles larger than the pores of the filter.

Some water filters are designed to make drinking water (very fine filtration, less than the size of a microbe).

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3 years ago
Domestic cats have 38 chromosomes in their diploid cells. If a diploid cat cell enters meiosis, how many chromosomes and double-
sdas [7]

Answer:

Meiosis is a reduction division of diploid cells.(2n) Chromosomes numbers are reduced with each successive division stages  of meiosis 1 and 2, to haploid(n).

Cats  have  38 diploid  somatic (body)chromosome (2n) in the somatic cells  and are reduced to 19  new   varied haploid cells (n) of chromosomes in the gametes.

In cats, as in other mammals, during spermatogenesis in (seminiferous tublule of testis) and oegensis(in the ovaries);<u>meiotic  reduction division</u> reduced the diploid  somatic chromosomes to haploid chromosomes  in  sex gametes.

Therefore 38 chromosomes will be in  the somatic chromosomes, while the sex gametes, with double-helical molecules of DNA, at the end of meiosis II will  have 19 chromosomes, half of the somatic chromosomes.

Explanation:

3 0
4 years ago
What effect has breast cancer research had on society?
4vir4ik [10]
Increased survival rates for those affected by Breast Cancer. Also, a union of community that raises awareness aka non profits that raise money from walks and marathons, etc. On another positive level - it has increased awareness of this cancer to the public via self screenings and breast cancer screenings via mammagrams thus resulting in earlier interventions that in turn increase survival rates.
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4 years ago
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Why is the chloroplast green
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Because the color green is the color that reflects off of the chlorophyll an goes into our eyes. Hope this helps!
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3 years ago
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