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avanturin [10]
3 years ago
15

Which of the following is a true statement about cartilage?

Biology
1 answer:
mezya [45]3 years ago
3 0

Answer:

A. it is found on articular surfaces of bone

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Which items are sources of soil pollution or soil pollutants?
Wewaii [24]
Which items are sources of soil pollution
Answer:plastics
3 0
2 years ago
by the time jefferson was reelected for a second term foreign relations with france and britain were A. Strong B. Resolved C. St
ivolga24 [154]

Answer: C. Strained

Explanation:

The diplomatic neutrality of the United States was tested during the Napoleonic Wars . The warring nations of Britain and France both imposed trade restrictions in order to weaken each other's economies. These restrictions also disrupted American trade and threatened American neutrality.

8 0
2 years ago
When using a microscope to view cells you obtained from scraping under your fingernails, you notice that the cells lack nuclei;
11Alexandr11 [23.1K]

Answer:

Bacteria

Explanation:

There are two kinds of cells found in/on the human body that lacks nucleus

  1. Red blood cells
  2. Bacteria

Since the material observed under the microscope was scraped from under the finger nails and there was no indication of broken skin, it is likely that the observed cells are bacteria.

5 0
2 years ago
Which of the following maintains the patency (openness) of the trachea? a. surface tension of water b. surfactant production c.
Bad White [126]

Answer:

<em>The correct option is C) C-shaped cartilage rings </em>

Explanation:

The trachea is commonly known as the wind-pipe. The trachea can be described as about a 4 inch long passage from which the air travels into the bronchi and lungs. The pathway of the trachea is kept open by C- shaped cartilages which are lined all over in the trachea. The C-shaped cartilages protects as well as maintain the shape of the wind-pipe. The rigidity of the trachea arises from the C-shaped cartilages.

4 0
3 years ago
Which element is essential to making up all organic molecules?.
goldenfox [79]

Answer:

This element is carbon.

Explanation:

You might be quick to think the answer is something like hydrogen and oxygen because both form to make water. But understand that the question is not asking about important elements in life, just which element makes up organic molecules. This element happens to be carbon.

It's important to understand that carbon is lucky in that it has 4 valence electrons and is able to bond with other important elements, like F, N, and especially H. The bond between C-H is essential in organic chemistry because it represents the structure of an organic molecule and helps with the IUPAC naming of organic molecules. It also suffices to say that there is a cycle for carbon in the carbon cycle, which transports carbon from one place in our world to the other.

So, it suffices to say that carbon is in fact essential for making up organic molecules.

5 0
2 years ago
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