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qaws [65]
3 years ago
8

In what ways is carbon dioxide added to the environment through the carbon cycle? What

Biology
1 answer:
lesya [120]3 years ago
5 0

Answer:

1) respiration 2) photosynthesis.

Explanation:

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Although both ends of a microtubule can gain or lose subunits, one end (called the plus end) polymerizes and depolymerizes at a
Tems11 [23]

Answer:

I would probably say (a) kinetochore microtubules

6 0
3 years ago
Uhhh yeah help with these
Soloha48 [4]
The answer to 3 is B. Moon
4 0
3 years ago
How does weathering impact deposition of fossils?
timurjin [86]

Answer:

Sediment, Transport and Deposition

Explanation:

The sediment is often formed when weathering and erosion break down a rock into loose material in a source area.

5 0
2 years ago
A patient has severe acne that has been refractory to treatment. The patient is taking tetracycline and using topical tretinoin
Degger [83]

Answer:

The correct answer is option c. "Tetracycline must be discontinued before beginning the isotretinoin".

Explanation:

Isotretinoin is a medication used to treat cases of severe acne, having dramatic positive effects since the patients start the treatment. However, the use isotretinoin should be monitored by a doctor because it is hard to process and could cause renal side effects. In this case, the patient must discontinue its treatment with tetracycline before start using isotretinoin.

7 0
3 years ago
Which type of respirator delivers clean air to the breathing zone from a tank worn by the operator?
MissTica

An air-purifying respirator that employs a blower to pump air through filters or cartridges and into the user's breathing zone is known as a powered air-purifying respirator, or PAPR. In comparison to a powered or negative-pressure half mask, this generates a positive pressure inside the facepiece or hood, increasing protection.

<h3>What kind of respirator offers a separate source of clean air?</h3>

For entry into or exit from settings regarded as IDLH, Self-Contained Breathing Apparatus (SCBAs) are employed. They can be either open circuit or closed circuit and contain their own breathing air supply.

<h3>What 2 categories of respirators exist?</h3>

Air-purifying and supplied-air respirators are the two main categories of respirators. Respirators that purify the air remove airborne pollutants such particles, dangerous vapors, and/or gases. They are suitable for use in surroundings with low levels of pollution and in areas with enough oxygen.

<h3>When should you use an air purifying respirator?</h3>

a small, unproven area. a lack of oxygen in the atmosphere. Firefighting. Contaminants with a lower explosive limit (LEL—the concentration at which a gas or vapour could ignite) of at least 20%

learn more about air-purifying respirator here

brainly.com/question/3627134

#SPJ4

6 0
2 years ago
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