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Liono4ka [1.6K]
3 years ago
13

Please help me anything helps.

Biology
2 answers:
soldier1979 [14.2K]3 years ago
7 0
When two tectonic plates grind against each other they cause an earthquake.
I am Lyosha [343]3 years ago
3 0

Answer:

An earthquake

Explanation:

An earthquake is caused when plates move around and clash.

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Answer:

The right ventricle pumps the blood with less oxygen to the lungs through the pulmonary valve. The left atrium gets the blood with the most oxygen from the lungs and pumps it to the left ventricle through the mitral valve. The left ventricle pumps the oxygen-rich blood through the aortic valve out to the rest of the body, and that is how you are alive today.

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Prions are the smallest known particles that are able to replicate true or false?
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Match each characteristic to the type of protist it describes
photoshop1234 [79]

Explanation:

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6 0
3 years ago
A lab assistant needs to mix up the following reaction to prepare DNA for an experiment:_________.
lara31 [8.8K]

Answer:

Explanation:

The total solution formed after mixing the components will be

20 μl + 20 μl + 40 μl + 120 μl = 200 μl

The smallest size tube that will hold the entire reaction is:

Firstly convert 200μl to ml

1000 μl = 1 ml

200 μl = X

X = 200 x 1/1000

X = 0.2 ml

The smallest size tube (from the options provided in the question) is 0.25 ml.

The pipetting device that could be used to accurately measure all the needed volumes must be able to measure 20 μl, 40 μl and 120 μl.

The best pipette to accurately take these measurements individually is the P200 micropipette because it has an accurate/useful range of between 20 μl - 200 μl

8 0
3 years ago
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