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Snowcat [4.5K]
3 years ago
10

Measurement of overall change in position.

Biology
2 answers:
Karo-lina-s [1.5K]3 years ago
8 0

Answer:

<h3>Velocity (Rate of change of position)</h3><h3>Velocity is a vector quantity that is defined as the rate of change of position of an object with respect to a frame of reference with respect to time. Velocity is equivalent to the speed of the object along with the direction of motion.</h3><h3>Hope this is fine for you</h3>
Lady_Fox [76]3 years ago
3 0

Answer:Displacement

Explanation:Displacement is the change in position of an object. The SI unit for displacement is the meter. Displacement has direction as well as magnitude. Distance traveled is the total length of the path traveled between two positions.

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Ludmilka [50]
A memory B cell is kinda of how it sounds it has a memory of what your body has fought before such as a virus and can stimulate a response quicker then the first time you encountered it. 

If you lack memory B cells your body doesn't built up the same immune response when you come into contact with the virus again.

"Vaccination would prevent further disease" Incorrect, a vaccine lets you build up memory cells to combat the disease if you lack them you cannot build up a defense.
"Vaccination would not prevent further disease" Correct, a vaccine can be a dead version of a virus or parts of a virus that shows your body what to respond to quickly in the future. If you body cannot make memory b cells it wouldn't help to use a vaccine. Your body wouldn't keep a memory of it being bad.
"You would not produce antibodies" Even if your body does not remember a particular virus it does produce antibodies to combat it just not as quick or efficiantly as something it has come into contact with before and produced memory cells.
"You would over produce histamine" Incorrect, different process for that histamine.
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3 years ago
During pregnancy it is difficult for many women to obtain adequate iron from diet alone. during pregnancy it is difficult for ma
VikaD [51]
The answer would be true

Iron is an important substance that needed to create hemoglobin for red blood cells. A pregnant woman will produce more blood as prevention for the blood loss when laboring. The baby also need iron to makes their red blood cells. That is why the iron requirement increases in pregnancy.
About half pregnant woman doesn't meet the requirement iron from diet alone. 
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2 years ago
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KATRIN_1 [288]
Adenine and guanine
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What makes up a community in an ecosystem
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Multiple species aka animals, humans, plants and all the species interactions :)

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3 years ago
With the following crosses of pea plants, give the flower color of offspring and the ratio expected (red is dominant).. . A cros
mixer [17]
<span>The answer is a), all red, as no white alleles are present in the parents, [ and hence cannot be passed on to the offspring. Showing work- Let R represent the dominant (red) allele: RR(male) x RR(female) ----> All RR offspring.</span>
4 0
3 years ago
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