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Sedaia [141]
3 years ago
10

In the united states 45 of the population has type o blood. if you randomly

Biology
1 answer:
viktelen [127]3 years ago
3 0
Is it percent or is it rational
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The leaves of the plant compared to the plants around it are bigger because they are being token care of and watered and fed while the others take care of them selves also they are different types of plants :)
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Explain why it is important for dying cells to be properly removed
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Cells within the body are properly arranged and their production uses up resources of the body. For example, red blood cells use iron while being produced. The body must dispose of cell properly to maintain the orderly arrangement of cells; for example, if dead skin cells were not removed, we would lose feeling in our skin due to the layer of dead cells. Moreover, the body must work to minimize wastage. This is why some of the iron from red blood cells is removed and reused.
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Which of these is an example of a chemical change?
lawyer [7]

The correct options are, frying an egg and burning candle.

Explanation :

Physical change : It is a change in which no new compounds are formed only changes occurs in size or state of substance. In this, there is no changes in the substance or compound.

Chemical change : It is a change in which a new compounds are formed by the chemical reaction. Changes occurs in their chemical composition and properties.

Frying an egg : It is a chemical change because a new substance is form by heating.

Burning a candle : It is chemical change because new substances are formed (carbon dioxide, water and heat) by burning.

Boiling alcohol : It is physical change because only changes in the state.

Melting and ice : It is a physical change because only changes in the state.

Making coffee : It is a physical change because no new substance is formed.

Therefore, frying an egg and burning candle are the example of chemical change.

4 0
3 years ago
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Women have sex chromosomes XX, and men have sex chromosomes XY. Which of a woman's grandparents could not be the source of any o
sweet [91]

Answer: her grandpa could not have been the source of either of her XX chromosomes.

Explanation: A male is the sole provider of the Y chromosome whereas females only have two XX's and no Y's

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What are the two ways nitrogen gas is turned into a form plants and animals can use?
zaharov [31]

Answer:

B

Explanation:

Just studied this

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