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GarryVolchara [31]
3 years ago
10

What factors contributed to the success of the virus in 2012

Biology
1 answer:
marusya05 [52]3 years ago
8 0

Answer:

i beleive the answer your looking for is Donald .J. Trump

Explanation:

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what feature did terrestrial plants acquire in order to adapt to life on land to transport materials throughout their bodies
Brut [27]

Answer:

they developed some structures or parts to survive

the terrestrial environment

8 0
2 years ago
What do we call the effect of the earth's rotation on air circulation?
Serga [27]

Answer: I presume you're talking about the Coriolis effect.

6 0
3 years ago
Psl 250 when the ventricles are contracting, blood is flowing through which valves?
Likurg_2 [28]

Pulmonary valve and Aortic valve

During systole, the aortic and pulmonic valves open to permit ejection into the aorta and pulmonary artery.

<h3>What happen when ventricles contract ?</h3>

When the right ventricle contracts, blood is forced through the pulmonary semilunar valve into the pulmonary artery

  • Then it travels to the lungs. In the lungs, the blood receives oxygen then leaves through the pulmonary veins. It returns to the heart and enters the left atrium.

  • When the left ventricle contracts, it forces blood through the aortic semilunar valve and into the aorta. The aorta and its branches carries the blood to all the body's tissues.

Learn more about Ventricles here:

brainly.com/question/1569437

#SPJ4

8 0
2 years ago
Mildred collects a sample of fossilized plant material. She takes it back to her lab to run some tests on it. Mildred is able to
xeze [42]

Answer:

The process that Mildred used is known as Radiocarbon dating

Note: The question is incomplete. The complete question is given below:

Mildred collects a sample of fossilized plant material. She takes it back to her lab to run some tests on it. Mildred is able to measure the amount of carbon-14 in her sample and compare this to the amount of carbon-12 in it. She uses this information to calculate that the fossil is 4,500 year old. The process that Mildred used is known as _______

Radiocarbon dating

Faulting

Indexing

Superposition

Explanation:

Radiocarbon dating is a process of determining the age estimates of various objects and materials using the radioactive properties of an isotope of carbon, carbon-14.

Radiocarbon dating uses the ratio of two isotopes of carbon, carbon-12 and carbon-14 present in materials which contains carbon to determine their age.

There is a fairly constant ratio of carbon-12 and carbon-14 in living organisms. However, at death, due to the decay of carbon-14 to carbon-12, the ratio begins to change. Since the rate of decay of carbon-14 is fairly constant, a property known as half-life, the time it has taken for carbon-14 to decay to carbon-12 can be calculated. This calculated time will givee the age of the fossilised material.

6 0
3 years ago
Fimbriae help expel the sperm cells from the epididymus<br> True<br> False
Natalka [10]

Explanation:

It's wrong

Fimbriae is present in female reproductive system

that collects the ova which is released after ovulation

fimbriae is the part of infundibulum

8 0
3 years ago
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