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Len [333]
3 years ago
14

Which type of rock was the first to exist on the planet?

Biology
1 answer:
timurjin [86]3 years ago
4 0

Answer:

B- sedimentary

Explanation:

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1. What type of response will a red blood cell have when placed in a hypertonic solution?
GalinKa [24]
Hypertonic solution means the solution with a lower water potential than the cell cytoplasm, such as salt water.

When the red blood cell is put into it, since the cell has a higher water potential than the solution, water molecules will flow from the cell back into the water due to osmosis.

Osmosis is always where water molecules flow from a region of higher water potential to lower, through a semi permeable membrane (Whcih is the red blood cell membrane in this case.)

Since water flowed out of the cell, the cell lose water and shrinks.

Hypotonic solution is where the solution that has a higher water potential than the cell cytoplasm.

So when the red blood cell is put in that solution, the water will flow from the solution into the cell this time, by osmosis.

The red blood cell will then gain so much water that the cell membrane cannot hold all and therefore burst.
7 0
3 years ago
What discoveries has space technology helped paleontologists with?
ladessa [460]
I think the answer is C but i am sorry if i am wrong i took this test but i am pretty sure it is C have a good day and good luck on the test
7 0
3 years ago
Read 2 more answers
When the condenser airflow is restricted,
stepladder [879]
D. Low side pressure is high and high side pressure is low
4 0
3 years ago
Read 2 more answers
Suzy is interested in purchasing a DVD player, and is overwhelmed by the many different models available at her local electronic
artcher [175]

Answer:

A. peripheral                  

Explanation:

Peripheral route to persuasion: In psychology, the term "peripheral route to persuasion" is described as one of the two different types of persuasion method and generally occurs when a specific listener or person thinks or decides to get agree with the given message or information dependent on any other cues apart from the strength or quality of any idea or argument related to the given message.

Example: An individual decided to buy something because the outside appearance fantasizes him or her.

In the question above, the given statement signifies the "peripheral route to persuasion".

8 0
3 years ago
Which method(s) can be used to join double-stranded breaks in DNA? (choose all that apply)
Amiraneli [1.4K]

Answer:

Option (a) and (d).

Explanation:

The breaks in DNA molecule may occur due to replication error and oxidizing agent. The double-stranded breaks in DNA can be corrected by Homologous end joining and non homologous end joining.

Homologous end joining is used to repair the DNA present in G2 nad S phases of the cell cycle. The homologous sequences of DNA is used to repair the DNA. Non homologous end joining occurs in the cell present at G0 and G1 phase of the cell cycle. The DNA broken ends are juxtaposed and later rejoin together by DNA ligase.

Thus, the correct answer is option (a) and (d).

3 0
3 years ago
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