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Arada [10]
3 years ago
8

How much exercise is recommended for children?

Biology
2 answers:
fenix001 [56]3 years ago
6 0

Answer:

A. 60 minutes or more of moderate to vigorous exercise every day

ivanzaharov [21]3 years ago
4 0
I think it’s D 20-30 minutes everyday
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What is expected when reactants break bonds?
andrew11 [14]
Breaking bonds takes energy, forming bonds releases energy
If you break more bonds than you form it would be an endothermic reaction
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4 years ago
Which organs produces and secretes enzymes that are essential for proper digestion?
ollegr [7]

Answer:

An enzyme refers to a kind of protein found inside a cell. The enzymes result in the chemical reactions within the body. The function to accelerate the rate of chemical reaction in order to support life. The enzymes in the body assist in performing very essential functions. These comprise eradicating toxins, building muscle, and dissociating particles of food at the time of digestion.  

Enzymes are needed for performing the proper function of the digestive system. Digestive enzymes are primarily produced in the stomach, pancreas, and small intestine. However, even salivary glands generate digestive enzymes in order to dissociate the molecules of food at the time of chewing.  

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4 years ago
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In dogs, genes A and B are required for scent.Individuals homozygous for either one or both of the nonfunctional recessive allel
andrew11 [14]

Answer:

6/16 dogs will not be able to smell.

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Genes A and B are considered for scent smell.

Individuals homozygous for either one or both of the nonfunctional recessive alleles are not able to smell.

The final cross would be AaBb x AaBb which has outcome of;

Individual with homozygous nonfunctional recessive alleles (bold ones):

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5 0
3 years ago
Explain how humans obtain the energy and matter they need in order to survive?
tresset_1 [31]
We eat and drink to obtain the energy and matter we use to survive

6 0
3 years ago
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What’s the difference between an objects mass and weight. How do I calculate the weight of an object? Which one is affected by g
vagabundo [1.1K]

Answer:

The mass of an object is a measure of the amount of matter it contains. The weight of an object is a measure of the force exerted on the object by gravity, or the force needed to support it. Mass does not change with gravity as weight does due to the act of pulling down on an object making it in fact heavier.

Explanation:

^

4 0
3 years ago
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