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erma4kov [3.2K]
4 years ago
6

Which statements are accurate? Select two options.

Biology
2 answers:
OLEGan [10]4 years ago
5 0

Answer:

A, B

Layer C is younger than layer A.

Layer B is younger than layer A but older than layer D

Explanation:

That’s the answer on ed2020

denis-greek [22]4 years ago
3 0

Answer:

The correct answers are

A.Layer C is younger than layer A.

B. Layer B is younger than layer A but older than layer D.

Explanation:

just took the test and got it right

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which the following describes a recognition process most closely analogous to adaptive, as opposed to innate , immune recognitio
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Your body recognizes bacteria, viruses, and other substances that seem strange and hazardous and protects itself against them using the immune response.

Which of the following distinguishes between innate and adaptive immunity?

The first line of defense the body has against infections is innate immunity. It does not distinguish between different pathogen kinds since it is generic and non-specific. One sort of immunity that develops as we are exposed to illnesses or receive vaccinations is adaptive immunity.

What else do you call an adaptive immune response?

The adaptive immune system, often referred to as the acquired immune system, is a division of the immune system that is made up of systemic, specialized cells and mechanisms that either destroy infections or stop their proliferation.

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6 0
1 year ago
Calculate mass % of nitrogen and oxygen in NO2.
sukhopar [10]

Explanation:

I'm not too sure but I would find the molar mass of nitrogen dioxide and then divide.

N - 14.01

O - 16.00

(14.01) + 2(16.00)

14 01 + 32.00 = 46.01

14.01 / 46.01 = 0.3044....

30.4%

32 / 46.01 = 0.6955....

69.6%

6 0
3 years ago
The most important factor in decreasing the intracellular concentration of calcium ion after contraction is
Veseljchak [2.6K]

Answer:

Active transport of calcium into the sarcoplasmic reticulum.

Explanation:

  • The sarcoplasmic reticulum (SR) is a membrane-bound structure found within muscle cells that is similar to the endoplasmic reticulum in other cells. The main function of the SR is to store calcium ions (Ca2+)
  • In response to an action potential traveling along the t tubule, voltage-sensitive proteins change shape, opening calcium channels in the adjacent terminal cisterns of the sarcoplasmic reticulum.
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3 years ago
Many corn farmers rotate their crops with soybeans in a season when corn is not being grown. The most likely impact this practic
STALIN [3.7K]

It helps in reducing soil erosion and increases soil fertility and crop yield.

4 0
4 years ago
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The process of accretion can enlarge the size of a continent along its edge. Where does the new land come from?
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Answer: A. cooled and hardened lava from volcanoes

C. sediments deposited by rivers and ocean currents

An accretion is a process in which new materials are added to a tectonic plate or landmass. This process causes the enlargement of the landmass. The materials being added includes sediments, lava from volcanic eruptions and other materials from other sources.  

The process of accretion can enlarge the size of a continent along its edge. The new land comes from the cooled and hardened lava from volcanoes and other reason is sediments deposited by rivers and ocean currents.  


4 0
4 years ago
Read 2 more answers
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