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Dmitry_Shevchenko [17]
3 years ago
12

If, after extensive research, the expected observations predicted by a theory fail to materialize, then the theory _____.

Biology
1 answer:
evablogger [386]3 years ago
6 0
Then the theory is false or should be abandoned or modified 
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Are we running out of clean water? And why, explain. ​
amm1812

Answer:

well were not running out but not every place has clean water and no we never run out of clean water. theres always clean water

Explanation:

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What type of muscle contracts and relaxes to control the movement of the contents?
Brut [27]

Smooth muscles are the type of muscle that contracts and relax to control the movement of the contents.

<h3></h3>

What are Smooth muscles?

Because it lacks sarcomeres and as a result, striations, smooth muscle is an involuntary non-striated muscle (bands or stripes). Its two subgroups are single-unit smooth muscle and multi-unit smooth muscle. A syncytium is the collective contraction of the sheet or bundle of smooth muscle cells that make up a single-unit muscle.

Smooth muscle makes up the walls of hollow organs including the stomach, intestines, bladder, and uterus as well as the blood and lymphatic vessels, as well as the tracts of the respiratory, urinary, and reproductive systems. The ciliary muscle, a type of smooth muscle present in the eyes, changes the shape of the lens by dilation and contraction of the iris.

To learn more about smooth muscles, visit:

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8 0
2 years ago
A six-carbon sugar is an example of a ______ that can join with other molecules to form a _____ such as starch or cellulose
Alexxandr [17]
<span>The answer is: molecule; carbohydrate. A six-carbon sugar is an example of a molecule that can join with other molecules to form a carbohydrate such as starch or cellulose. The basic unit of carbohydrate is monosaccharide. A six carbon sugar would be an example of a monosaccharide. And it can join with other simple sugars (monosaccharides) to form polysaccharides, such as starch or cellulose.</span>
6 0
3 years ago
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1. Peer review allows others in the field to assess a scientist's investigations and results.
podryga [215]

Answer:

False.

Explanation:

4 0
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A volcanic eruption changes the environment and separates a population of foxes. These two new populations are no longer able to
weqwewe [10]

Answer:

1d 2c 3a 4b

Explanation:

bc it goes in order

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2 years ago
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