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grigory [225]
3 years ago
12

Please answer this:)) :((​

Biology
1 answer:
yan [13]3 years ago
5 0

Answer:

Winter in the Northern Hemisphere begins December 21 or 22, when the North Pole is tilted a full 23.5° away from the sun. This day is known as the winter solstice. In June, in the northern hemisphere summer, the Sun's rays — and warmth — reach all the way to the north pole.

In June, in the northern hemisphere summer, the Sun's rays — and warmth — reach all the way to the north pole. In December, in the northern hemisphere winter, the north pole is tilted away from the incoming sunshine.

Explanation:

hope this helps u

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Which best describes this type of reaction?
makvit [3.9K]

Explanation:

There are two classes of nuclear reactions which are:

  1. Nuclear fission
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In nuclear fission, a radioactive isotope which has a heavier nucleus spontaneously disintegrates(breaks up) into 2 lighter nuclei and several neutrons with a large release of energy.

A nuclear fusion occurs by the combination of small atomic nuclei into larger ones with the release of a large amount of energy.

I hope you can make the best choice from this explanation.

learn more:

Transmutation brainly.com/question/3433940

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3 0
3 years ago
All of the following techniques involve hybridization between single-stranded nucleic acid molecules except:
Savatey [412]

Answer:

RFLP analysis.

Explanation:

RFLP (Restriction fragment length polymorphism ) may be defined as a molecular technique used to determine the location of a particular gene in the DNA sequences. The individuals among the population can be easily identified by RFLP analysis.

The restriction enzyme is used for the digestion of DNA sample. The restriction fragments are then visualized by running the fragments on gel electrophoresis. The hybridization between single stranded nucleic acid is not involved in the RFLP.

Thus, the correct answer is option (1).

8 0
3 years ago
2. Which kind of nutrients cycle through the atmosphere?
Kamila [148]

Answer:

Nutrient cycle is a process  of movement, reuse or recycling of nutrients in that particular environment. They are for both living and nonliving things, elements like carbon, oxygen are recycled through such cycles.

Nutrient cycle in an ecosystem involve:

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4 0
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All of the following are true of most vitamins EXCEPT A. they enhance enzymatic activity. B. they are inorganic molecules. C. th
Elenna [48]

Answer:

They are in organic

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They help in the body's metabolism since they enhance enzymatic activities and can act as co-factors.

They are essential for good health such as vitamin A helps in improving eye sight.

Lack of certain essential vitamins can lead to disease ,lack of vitamin D can lead to Rickets.

5 0
3 years ago
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The presence of predators lessens the effects of ( blank )among prey?
IgorLugansk [536]
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6 0
3 years ago
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