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Hitman42 [59]
3 years ago
6

If two heterozygous parents have a child with attached earlobes (the recessive trait), the chance of their 2nd child having atta

ched earlobes is
Biology
1 answer:
Marta_Voda [28]3 years ago
7 0
Their child has a 50% chance
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STatiana [176]
The pulmonary veins
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Is ammonium hydroxide a reactant or product
KengaRu [80]

Explanation:

Ammonium hydroxide mostly acts as a reactant. Ammonium hydroxide is a colorless solution and exists only in solution form. It has a strong and pungent odor. It reacts with sulfuric acid and also many other strong acids. This reaction is exothermic which releases huge amount of heat or energy.

Ammonia water when in contact with volatile compounds, forms fumes. Ammonium hydroxide dissolves copper and zinc. It produces ammonia and nitroxides when heated to decomposition.

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3 years ago
Name the complex substances that food contain? ​
Anika [276]

carbohydrates

fats

proteins

fiber

vitamins

water

Minerals

Explanation:

Food is complex of different minerals. These minerals helps to meet our body demand for materials important for sustenance.

There are different classes of food based on their chemical properties and functions. These classifications are based on the complex nutritive substances that can be derived from them.

  • Carbohydrates supplies energy to the body.
  • Proteins also provides energy and it helps to repair worn out body tissues.
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  • Vitamins provides enzymes for the body
  • water is an essential life compound.
  • Minerals are used for several metabolic processes and they are good electrolytes in the body.

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5 0
4 years ago
How long did it take for the population to double once again?
aalyn [17]

Answer:

1649 years

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It took 1649 years for the world population to double, going from . 25 billion people to . 50 billion people

7 0
3 years ago
Advantages and disadvantages of each cell division
NeX [460]
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Disadvantages: There is little genetic variation, each generation faces the same diseases.

Meiosis:

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Disadvantages: It requires the use of two gametes.
8 0
2 years ago
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