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makvit [3.9K]
3 years ago
12

What substance causes plants to be green?

Biology
1 answer:
alisha [4.7K]3 years ago
5 0

Answer:

Chlorophyll

Explanation:

I got it right on edj.

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What makes an isotope radioactive? Are all isotopes radioactive?
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Answer:

Radioactive Elements

In elements with more than 83 protons, all of the isotopes are radioactive. ... The force of repulsion among all those protons makes the nuclei unstable. Elements with more than 92 protons have such unstable nuclei that they don't even exist in nature.

Explanation:

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4 0
3 years ago
Why does a person feel fatigue and breathe harder after exercise? What process is going on their cells?
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This is because lactic acid from anaerobic respiration builds up in the muscles. It takes a while to recover from hard exercise, during which time you may still breathe heavily and have a higher heart rate than normal. ... Hard exercise causes a lack of oxygen in cells.
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3 years ago
3. Worms belong to the kingdom Animalia. There are many different types of worms. Which of the following best describes why all
geniusboy [140]

Answer:

D

all living worms are invertebrates

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3 years ago
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A germ cell of an organism has 60 chromosomes in it. It undergoes meiosis, and at the end it produces four daughter cells. What
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30. Assuming that meiosis was undergone without error, the daughter cells formed are haploid.
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3 years ago
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An individual with an uncertain vaccine history has been brought to the emergency room after receiving severe lacerations in an
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E) The tetanus immune globulin provides immediate, short-term protection, and the tetanus vaccine provides long-term protection.

Explanation:

Basically, immunization is very important and necessary to protect the person from diseases.

In the above scenario, individual who is injured with severe lacerations does not have any history of previous tetanus vaccination. Because vaccination is for long term protection but it also take time to produce antibodies in an individual. Individual is injured and can have risk of tetanus.

So, along with vaccine we will administered the tetanus immune globulin to provide immediate, short term protection against tetanus.

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