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wariber [46]
3 years ago
9

Identify the FALSE statement. The primary atmosphere:

Biology
1 answer:
RideAnS [48]3 years ago
3 0

Answer:

A- consisted mainly of water, carbon dioxide, carbon monoxide, and methane

Explanation:

The option A, is attributed, as the composition of the secondary atmosphere, which was  generated by gases trapped within the rocks that make up the planet, but escaped during volcanic activity.

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How does the structure of the small intestine help it to perform its function?
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The correct answer is:

D .Villi in the small intestine have thin-walled capillaries to make the absorption of nutrients more efficient.

Explanation:

The small intestines are well adjusted for absorbing nutrients during digestion by being very long, having villi and microvilli that enlarge surface area, using muscular contractions to move and mix food, and raising and housing digestive enzymes and bile that aid the breakdown of food. The inner surface of the small intestine is not flat but thrown into circular folds, which not only enhance surface area but aid in preparing the ingesta by acting as baffles. Villi: the mucosa makes multitudes of ridges which project into the lumen and are satisfied with epithelial cells.


5 0
3 years ago
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AP Biology Hw? Thanks
ollegr [7]
I’m pretty sure it’s E
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As scientist had investigated evolution from a variety fields they have found
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2 years ago
Who is generally given institutional responsibility for deciding if an individual researcher is properly trained to perform anim
poizon [28]

Answer:Institutional Animal Care and Use Committees ( IACUC).

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6 0
2 years ago
16. Which of the following is formed when a group of tissues works together to perform a common function?
otez555 [7]

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An organ is composed of tissue and performs a specific set of functions for the body. And that’s called the organ system

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