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3 years ago

Explain how the positions of the sun, moon and earth cause the moon phases?

Biology

2 answers:

ludmilkaskok [199]3 years ago

5 0

Answer:

Instead, the Moon's phase depends only on its position relative to Earth and the Sun. The Moon doesn't make its own light, it just reflects the Sun's light as all the planets do. The Sun always illuminates one half of the Moon.Earth's shadow cast on the Moon.

Explanation:

anyanavicka [17]3 years ago

4 0

Answer:

Explanation:

Some people assume the phases are caused by the Earth's shadow cast on the Moon. The Moon's phase is determined solely by its location in relation to the Earth and the Sun. The Moon, like all the planets, does not produce its own light; instead, it reflects the Sun's light. One half of the Moon is still illuminated by the Sun.

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Holding your breath while ascending can lead to: Select one: A rupture of the tiny air sacks in the lungs, known as alveoli. A l

julsineya [31]

Holding your breath while ascending can lead to all of the above options.

Surfacing excessively fast or holding the breathing while swimming to the surface can make the air in the lungs expand which is known as pneumonic barotrauma. This might break lung tissue, which can prompt gas bubbles to be delivered into the blood vessel dissemination (arterial gas embolism).

The air in the lungs becomes risky when an individual ascends. On the off chance that somebody holds their breath while rising to the surface, the lungs and the air inside them extend as the water pressure decreases. Since that air has no place to escape, it continues to expand against the walls of the lungs, no matter what the organ's capacity.

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1 year ago

Which system coordinates the body's response to change in its internal and external environments

Paha777 [63]

The Nervous System coordinates the body's response to environments.

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3 years ago

The _______________ pathway of RNA interference is a result of double stranded DNA entering a eukaryotic cell.

Anit [1.1K]

Answer:

siRNA.

Explanation:

The RNA interference may be defined as the evolutionary conserved mechanism that helps in the gene regulation by the silencing of the small RNA molecules. Two main types are siRNA and miRNA.

The siRNA (small interference RNA) is involved in the protection of the cell by destroying the exogenous ds DNA of the cell. The DICER enzyme plays an important role in the processing of the small interference RNA and the guide strand of RNA is involved in the gene silencing.

Thus, the answer is option (a).

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3 years ago

During the second and third trimesters of

Verizon [17]

Answer:During the second and third trimesters of

gestation androgenic C19 steroid, and dehydroepiandrosterone sulfate (DHEA-S), are secreted by the fetal adrenal gland and human placental lactogen (hPL), is secreted by the placenta.

Explanation:During midgestation, the fetal zone occupies 80–90% of the cortical volume and produces 100–200 mg/day of the androgenic C19 steroid, dehydroepiandrosterone sulfate (DHEA-S), which is quantitatively the principal steroid product of the primate fetal adrenal gland throughout gestation. While human placental lactogen (hPL) may be secreted preferentially into the fetal circulation, exerting growth-promoting effects at a time when the rate of linear growth of the fetus is maximal.

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3 years ago

A parent organism of unknown genotype is mated in a test cross. Half of the offspring have the same phenotype as the parent. Wha

Bond [772]

The answer is C. The test cross means that the unknown genotype organism is mated with a homozygous recessive organism("aa"). If the parent organism is homozygous("AA" or "aa"), the offspring will all be the same with the parent(Aa when the parent is "AA". "aa" when the parent is "aa"). So the half of the offspring have the same phenotype means the parent organism is heterozygous. We cannot confirm whether this is polygenic or not by test cross.

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3 years ago