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omeli [17]
3 years ago
13

Technician A says that the oil control ring scrapes oil off the cylinder wall with each downward piston stroke. Technician B say

s that a typical oil control ring consists of two separate pieces. Who is right?
A. Technician B only
B. Both Technicians A and B wrong answer
C. Technician A only
D. Neither Technician A nor B
p.s "both"is wrong
Biology
2 answers:
evablogger [386]3 years ago
5 0

C is correct i believe i think all the others are wrong but im not entirely sure

Tcecarenko [31]3 years ago
3 0

Answer:

The correct answer is option C. "Technician A only".

Explanation:

Technician A was right by saying that the oil control ring scrapes oil off the cylinder wall with each downward piston stroke. Actually, that is the main function of the oil control ring, to wipe out the excess oil that is produced during piston movement.

Technician B was wrong by saying that a typical oil control ring consists of two separate pieces. A typical oil control is comprised of three separate pieces: two scrappers and a expander.

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The graphs below show the changes in crab color at one beach.
vazorg [7]

Answer:

C. Both light tan and dark tan body color provided an advantage to the crabs on this beach, but not necessarily in other crab habitats.

Explanation:

The changes in the number of light tan and dark tan body color of crabs that occured can be described as a diversifying or disruptive selection.

This disruptive selection occurs when individuals with extreme traits on both ends of the spectrum become selected against individuals of ntermediate or medium traits.

In the case of the crab, their environment favors the selection of both extreme values as against those intermediate individuals, as both light tan and dark tan body color of the crabs gives them advantage over others in this particular environment. This may only be obtainable in this environment or similar beach environment with the same settings and conditions.

3 0
3 years ago
What are the stages of meiosis?
allsm [11]
<span>prophase I. the chromosomes condense, and the nuclear envelope breaks down. ...Metaphase I. pairs of homologous chromosomes move to the equator of the cell.Anaphase I. homologous chromosomes move to opposite poles of the cell.Telophase I and Cytokinesis. ...Prophase II. ...Metaphase II. ...Anaphase II. ...<span>Telophase II and Cytokinesis.</span></span>
6 0
3 years ago
Which of the following cellular environments is conducive to the formation of disulfide bonds within or between proteins? Choose
STatiana [176]

Answer:

Rough endoplasmic reticulum and Mitochondria.

Explanation:

Disulfide bonds are known as covalent bonds. They are formed by the oxidation of 2 cysteines and these bonds can provide stability to proteins. These bonds mainly formed in intermembrane space of mitochondria and cellular compartments outside the cytoplasm endoplasmic reticulum. Both of these organelles present in an oxidation state providing an atmosphere for disulfide bond formation.

Cytoplasm and Nuclei mostly exit in reducing state because of the existence of disulfide reductase which is reducing the disulfide bonds between the cysteine residue to thiolate state. So, the disulfide bond formation will not happen.

7 0
3 years ago
An artery carries _____ blood _____ the heart.
lianna [129]
I believe it's oxygenated or oxygen rich blood away from the heart.
3 0
3 years ago
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Charles Darwin introduced the theory of natural selection as the mechanism for evolution.
Phoenix [80]

Answer:

Hey mate....

Explanation:

This is ur answer.....

<h2><em>True</em></h2>

<em>Darwin and a scientific contemporary of his, Alfred Russel Wallace, proposed that evolution occurs because of a phenomenon called natural selection. In the theory of natural selection, organisms produce more offspring than are able to survive in their environment.</em>

Hope it helps!

Brainliest pls.....

Follow me! :)

4 0
3 years ago
Read 2 more answers
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