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lions [1.4K]
3 years ago
12

Which of the following objects is a burning ball of mostly hydrogen atoms?

Biology
1 answer:
Lubov Fominskaja [6]3 years ago
5 0
The answer would be C. a star
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The equation of line e is y = 3/5x + 1. The equation of line f is y = -8/3x + 9/8. Are line e and
serg [7]

Answer:

I think they're neither perpendicular nor parallel

Explanation:

Not parallel since slope of e (3/5) isn't equal to slope of f (-8/3)

Not perpendicular since the product of their slopes isn't equal to - 1.

=> (3/5)(-8/3)= - 8/5 and not - 1

(plz make sure you typed the equations correctly.)

Hope this helps..

5 0
3 years ago
The fluid that surroundeds all cells in the body is konw as. ​
BartSMP [9]

Answer:

Extracellular fluid

Explanation:

A proportion of this fluid is plasma

4 0
3 years ago
Please hurry!!
Vilka [71]

Answer:

that would be C, seafloor spreading occurs!

Explanation:

6 0
3 years ago
Scientists like to use fluorescent proteins for various types of recombinant DNA procedures. You have a very small amount of the
Novosadov [1.4K]

Answer:

The correct answer is b.Amplify the gene using PCR. Insert the gene into a plasmid vector. Transform the vector into the bacteria.

Explanation:

If I have a very small amount of gene for a fluorescent protein than the first step is to amplify the gene so that appropriate protein can be produced. PCR is the instrument that is used to amplify the protein.

So after amplification of the gene, the plasmid vector will be used in which the gene will be inserted because the plasmid vector is used to insert this gene in host cells where protein will be expressed.

The final step will be to transform bacteria with recombinant plasmid so that plasmid can make its copy and express a fluorescent protein in bulk.

6 0
3 years ago
What is meant by evolution through natural selection
VikaD [51]
Hello!

Natural selection is the way that animals evolve. 

The theory of natural selection is that the animals that do not have a specific trait to survive in their environment will die. The animals that do have the trait will survive. The animals that survive will then pass the trait down to their offspring, who will also likely survive because they have the trait. This is how species evolve and continue to survive in their environment. 

The species evolve because only the fittest survive (this is known as "survival of the fittest"). The animals that do not have the needed traits will die and they cannot have offspring. 

I hope this helps answer your question! Have a great day!
4 0
3 years ago
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