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valina [46]
3 years ago
13

Why is the impermeable layer important? *

Biology
1 answer:
earnstyle [38]3 years ago
3 0
There is much more fresh water underground than on the surface. A rock layer must be porous and permeable to be a good aquifer. An impermeable layer makes up the bottom of an aquifer. The water table rises and falls with additions or subtractions to the groundwater system.
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Systolic blood pressure:_____________ a) is the higher number of a blood pressure reading. b) is the lower number of a blood pre
Alik [6]

Answer:

is the higher number of a blood pressure reading.

Explanation: systolic blood pressure is the higher number of a blood pressure reading and its measure in millimeter of mercury.

Systolic pressure is the amount of pressure in the arteries when contraction takes place in heart. Diastolic pressure is the pressure the heart when it relaxes. It is the lower number of blood pressure reading

When the systolic pressure is >120mm Hg and diastolic is less than 80mm Hg it is normal

120-129mm Hg and diastolic less than 80mm Hg it high and such person needs a regular medical check up

But when systolic 129-139 mmHg

and diastolic is 90mm Hg or above it means the individual is having hypertension stage 1

Above 140mm Hg is hypertension stage 2 and it is the most severe stage. It means the person is hypertensive and medical attention needs to be seek for necessary treatment as this could lead to death of such individual if not well managed.

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3 years ago
What Is Not Found In Viruses
meriva
All viruses have a <span>capsid, that contains there DNA or RNA, never both. </span>
7 0
2 years ago
what are the cell organelles found in plant cells, but not in animal cells and what are their functions?
BigorU [14]
Chloroplasts (takes in the sun's energy to make food for the plant). Cell membrane (It helps the plant stand up because plants don't have spines like us).
3 0
2 years ago
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Under what circumstances would a species of meat eating animals be most likely to evolve to eat plants
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Answer:

Any insect unlucky enough to land on the mouth-like leaves of an Australian pitcher plant will meet a grisly end. The plant's prey is drawn into a vessel-like ‘pitcher’ organ where a specialized cocktail of enzymes digests the victim.

Now, by studying the pitcher plant's genome—and comparing its insect-eating fluids to those of other carnivorous plants—researchers have found that meat-eating plants the world over have hit on the same deadly molecular recipe, even though they are separated by millions of years of evolution.

4 0
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Why have scientists used genetic modification on fruits and vegetables?
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For agricultural uses. For example: country or area with low precipitation and high droughts will starve if they don't have plants that can survive the harsh conditions such as genetically modified crops being able to take in less water than non genetically modified crops.
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