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inessss [21]
3 years ago
8

27. What substance is a liquid at -200 °C?

Biology
1 answer:
harina [27]3 years ago
5 0

Answer:

its nitrogen..........

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If a muscle contracts isometrically for a long period of time, an EMG (which records the electrical activity in the muscle) reco
oksian1 [2.3K]

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During the course of a continuous isometric contraction of given strength, the electrical activity progressively increases. This is due to recruitment of motor units taking place to compensate the decrease in force of contraction occurring in the fatigued muscle fibres.

Explanation:

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3 years ago
What are the nine activities that scientists engage in as part of scientific inquiry?
Crazy boy [7]
The nine activities that scientists engage in as a part of scientific inquiry are the following:
1. Observe
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4. Research the problem
5. State the expectations (hypothesis)
6. Experiment and gather data
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3 0
3 years ago
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Which of the following subatomic particles do not have a charge?
djverab [1.8K]

Answer:

<h2>Which of the following subatomic particles do NOT have a charge? </h2><h2>a) protons </h2><h2>b) electrons </h2><h2>c) neutrons </h2><h2>d) ions </h2>

Explanation:

<h2>The answer is C i hope this helps</h2>
8 0
3 years ago
When a warm front is approaching, what happens?
andreev551 [17]

Answer:

The air mass behind a warm front is likely to be warmer and more moist than the one before the front. If a warm front is approaching, light rain or light winter precipitation is possible before and as the front passes. Behind the front, expect clearing skies, warmer temperatures and higher relative humdities.

Explanation:

(︶^︶)

4 0
2 years ago
The orbital radius of venus is 0.72 AU. what ia this distance in kilometers?
Arturiano [62]

108 million kilometers. To solve this problem, you must perform a simple unit conversion calculation. 1 AU = 150,000,000 km is the conversion factor. Take the radius of Venus, .72 AU, and multiply it by 150,000,000 km/1 AU. You flip the conversion factor so that the units of the original distance in the numerator cancel the units in the denominator of the conversion factor. completing the calculation gives you 108,000,000 km



8 0
2 years ago
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