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Ksenya-84 [330]
3 years ago
11

The movement of sand from one place to another:

Biology
2 answers:
Kitty [74]3 years ago
7 0

Answer:

The sands are very small molecule that the reason is sands are moving to every where.

xxMikexx [17]3 years ago
6 0

Answer:

the movement is called as saltation

Explanation:

hope it helps...

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A 47-foot-long piece of pipe is to be cut into three pieces. The second piece is three times as long as the first piece, and the
AysviL [449]
x+y+z=47\\y=3x\\z=5x+2\\\\x+(3x)+(5x+2)=47\\9x=45\\x=5\\\\y=3(5)\\y=15\\\\z=5(5)+2\\z=25+2\\z=27

The third piece is the longest at 27 feet.
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3 years ago
Why did Mendel create the law of segregation
Stells [14]
He was studying genetics by performing mating crosses in pea plants. Then, he discovered  that the traits in the offspring didn't always match the traits in the parental plants.
8 0
3 years ago
are chromosome pairs, one from each parent, that are similar in length, gene position and centromere location
tatyana61 [14]

Answer:

This definition suits that of "HOMOLOGOUS CHROMOSOMES"

Explanation:

Homologous chromosomes are similar pairs of chromosomes i.e. in length, gene positioning and centromere location (one from each parent) but not identical. Homologous chromosomes are not identical in the sense that, alleles on each pair may be different, resulting in genetic variation of the offspring.

Using humans as a case study, a karyotype (pictorial display of chromosomal arrangement) shows the complete set of chromosomes, which has two complete set (diploid). Each human cell contain 23 pairs of chromosomes, with each pair contributed by each parent i.e. 46 chromosomes in total. Every chromosome pair represents a set of homologous chromosome.

6 0
3 years ago
Read 2 more answers
How do the kidneys work to neutralize metabolic acidosis or alkalosis? If metabolic alkalosis exists, the kidneys slow their aci
melomori [17]

Answer:

Attaching letters to the options to make the question readable:

A. If metabolic alkalosis exists, the kidneys slow their acid excretion.

B. If metabolic alkalosis exists, the kidneys slow their acid retention.

C.  If metabolic acidosis exists, the kidneys slow their acid excretion.

D. If metabolic acidosis exists, the kidneys increase their acid retention

The correct answer to the question above is option A (If metabolic alkalosis exists, the kidneys slow their acid excretion.)

Explanation:

Metabolic acidosis is a condition where there is an alteration in the acid-base balance in the blood. Here, as the name implies, a high level of acid than necessary are found in the blood as a product of metabolism caused by an increase in acid production, failure of acid to be expelled in the kidney.  

Metabolic alkalosis is a condition where there is high level of alkaline in the blood than the body requires. Metabolic alkalosis occurs when the kidney is unable to excrete excessive alkaline in the blood and when there is too few acid-producing hydrogen ions present.

Kidneys fight metabolic acidosis by balancing acid levels in the blood by removing excessive acid in the blood through urine. It is also possible for the body to expel volatile acids through the lungs in the form of exhaled air.

Ways kidneys work to neutralize metabolic acidosis, ls If metabolic acidosis exists, the kidneys increase their acid excretion.

Ways kidneys work to neutralize metabolic alkalosis, is If metabolic alkalosis exists, the kidneys slow their acid excretion and increase their alkaline excretion or slow their alkaline retention.

7 0
3 years ago
Why is it impossible for unicellular organisms to use meiosis?
mash [69]

Meiosis is essential for sexual reproduction and therefore occurs in all eukaryotes (including single-celled organisms) that reproduce sexually. ... These resultant haploid cells can fuse with other haploid cells of the opposite sex or mating type during fertilization to create a new diploid cell, or zygote.

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