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GrogVix [38]
3 years ago
13

What is the major source of oxygen for the earths atmosphere

Biology
1 answer:
IrinaK [193]3 years ago
5 0

Answer:

marine plants

Explanation:

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There is a risk that __________ can be transferred when using stem cells in medical treatments. What word completes the sentence
Rina8888 [55]

Answer:

Bone marrow transplantation

Explanation:

Stem cells are special cells generated in bone marrow. This can changed into different types of cells. They are  red blood cells It carries oxygen to the body cells .White blood cells Resisting agents from infections . Platelets it performs clotting of blood

Stem cell transplant involves in removing of damaged cells instead placed stem places from blood or bone marrow

5 0
3 years ago
The original cell theory has been expanded upon since it was first developed to include further additions
alexandr402 [8]

Answer: If you're talking about the Edgenuity question, B and D are the answers.  (Cell contains hereditary information that is passed from cell to cell during cell division and all cells perform similar metabolic activities.)

Explanation:

8 0
3 years ago
The central nervous system _____________________.
gavmur [86]
The central nervous system includes the brain and spinal cord.
7 0
3 years ago
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What is the relationship between the temperature of internal material and volcanic eruptions?
OLga [1]

Answer:

Direct relationship.

Explanation:

There is direct relationship between the temperature of internal material and volcanic eruptions because the temperature of internal material causes the volcanic eruptions. The temperature of the internal material puts pressure on the rocky surface and the gases that releases from heating processes will cause pressure which leads to the eruption of the volcano so we can say that there is a direct relationship between temperature and eruption.

3 0
3 years ago
A dichotomous key may be used to classify butterflies.
kirill115 [55]
Well yes, but a dichotomous key can be used to classify just about anything you want.
Hope that helped
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3 years ago
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