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prisoha [69]
2 years ago
5

In photosynthesis, plants use carbon from _____ and hydrogen from _____to make sugar

Biology
1 answer:
adoni [48]2 years ago
6 0
I think its the atmosphere ?????
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How many zeros are there in the function f(x) = 7x13 − 12x9 + 16x5 − 23x + 42?
-Dominant- [34]
We will use the Descartes` rule of signs and see how many times the signs change from positive to negative and from negative to positive from one term to the next ( two consecutive terms are with different signs ).
In this case it is 4 times ( +7x13 to -12x9, -12x9 to +16x5, +6x5 to -23 x and finally -23x to +42 ).
Answer: There are 4 real zeroes.

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3 years ago
Could a child with type b blood with parents that have type a blood
Oksanka [162]

yes it could be possible

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How have humans caused quokka populations to decline on mainland Australia?
andrew-mc [135]
Humans have caused quokka populations to decrease due to animal cruelty. Humans have also introduced predators to quokkas, such as dogs and cats.

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3 0
3 years ago
Which of the following is not a function of astrocytes?
VLD [36.1K]

The correct answer is: E) provide the defense for the CNS

Astrocytes are star-shaped cells found in central nervous system (brain and spinal cord) .Some of their functions include:

• Support of neurons by supporting endothelilal cell of blood–brain barrier,

• Provide nutrients to neurons

• Maintain ion balance and thus controlchemical environment around neurons

• Repair of injuries in the brain

• the secretion or absorption of neural transmitters…

The cells that provide the defense for the CNS are called microglia. Those cells are also glial cells, derived from macrophages and thus, part of active immune defense.

5 0
3 years ago
If we had a Gold necklace, and we melted it down and reshaped it to a gold coin
LuckyWell [14K]

Answer:

D

Explanation:

D) Volume mass and density

volume mass and density do not change because when the necklace is melted down it doesn't change the amount or density of the necklace.

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