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3 years ago

Which type of mutation results in receiving an extra chromosome?

Biology

2 answers:

MrRa [10]3 years ago

8 0

NUCLEAR ENERGY

Every second of every day our Sun converts about 4.2 million metric tons (4,200,000,000 kilograms) of hydrogen into helium using a nuclear fusion process. During this nuclear reaction, a small portion of matter is converted to an enormous amount of energy. It is this output that provides the energy for photosynthesis and for heating our atmosphere and oceans.

In this lesson, you will learn the details of the nuclear fusion process. You will also learn about another important nuclear reaction called fission and some useful applications of it.

OBJECTIVESDescribe the process of nuclear fusion.Describe the process of nuclear fission.Identify some applications for nuclear reactions.List positive and negative factors associated with nuclear reactions.VOCABULARY

Ilia_Sergeevich [38]3 years ago

5 0

I think it is duplication

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Name and describe the three factors that change the rate of weathering?

k0ka [10]

Answer:

Weathering is the breaking down of rocks, soils, and minerals as well as wood and artificial materials through contact with the Earth's atmosphere, water, and biological organisms. Weathering occurs in situ (i.e., on site, without displacement), that is, in the same place, with little or no movement, and thus should not be confused with erosion, which involves the transport of rocks and minerals by agents such as water, ice, snow, wind, waves and gravity and then being transported and deposited in other locations.

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3 years ago

Natural selection favors

Effectus [21]

Answer:

D, organisms that survive long enough to reproduce.

Explanation:

C and D are the best answers. Adaptations and skills other than speed and strength contribute to an organism's survival too, so that means it isn't C. Natural Selection is about how an organism must have useful traits to survive to reproductive stage and successfully reproduce, so it would definitely be D.

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densk [106]

The coral fossil would be a better estimate of past water depth. This is because most corals inhabit shallow water reefs, less than 150 feet deep. In contrast, pelagic fish may inhabit any open water (pelagic) part of the ocean, with depths ranging anywhere from a couple of hundred feet deep to miles in depth.

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A dihybrid cross ss tt × ss tt is made in which s is dominant, but there is no dominance between t and t. assuming independent a

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Answer is attached in file, read it.

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Which one of the following organs secrets enzymes that affect the digestion and absorption of nutrients in the small intestine?

Sveta_85 [38]

Answer:

Pancreas

Explanation:

It is the main organ that regulates nutrients and sugar flow in the blood. That is why diabetes and other diseases most commonly occur in the pancreas.

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