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Genrish500 [490]
3 years ago
11

Why do you think hydroelectric plants are built at the base of dams

Biology
1 answer:
tigry1 [53]3 years ago
5 0
I think it is used to produce energy mainly hydroelectricity which is electricity from water
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There are 252 deer in a population. There is no net immigration or emigration. If 47 deer die and 32 deer are born in one month,
morpeh [17]

Answer:

240

Explanation:

252-47=205

205+32=237

237 to the nearest whole number is 240

hope it helps

7 0
3 years ago
_________ cells must be in osmotic equilibrium with their surrounding environments, because if they swell or shrink their membra
dlinn [17]
Well I'm not exactly certain where the teacher is going with this, but an often used example is red blood cells (RBCs) aka: erythrocytes.
RBCs are suspended in blood plasma as they flood through vessels around and around the body, so the osmolarity (amount of small particles that affect osmosis) must remain relatively constant. This is termed "isotonic", meaning the same amount of osmosis-influencing particles that are there inside the RBCs' cytosol, within their plasma membranes.
If the plasma osmolarity get too high, called hypertonic (as with extra salt particles) then water inside the RBCs will have an osmotic force driving it out of the cells' membranes, to flow where there are more salt particles. This will lead to cell shrinkage (called "crenation").
Counter to that, if the plasma osmolarity gets too low, as due to low plasma salt with excessive water intake (for example from the condition "water intoxication"), then the plasma will be hypotonic with respect to the intracellular cytosol concentration. This can result in water rushing into the RBCs' membranes via osmosis, causing the cells to swell from discs into spheres (balls), or even rupture and burst (a phenomenon called "hemolysis").

HOPE THOSE EXAMPLES HELP!!
3 0
3 years ago
Read 2 more answers
"What are the structures of chromosomes that cause traits?" use CER​
UNO [17]
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7 0
3 years ago
Need help plz. anyone that can help?
NikAS [45]

Answer:

the answer may be optionA..

7 0
3 years ago
Lisa had 20 grams of water. She poured out 15 grams. Which of the following physical properties of the water changes? (4 points)
Black_prince [1.1K]

Answer:

Volume

Explanation:

The boiling point and density of water never changes, no matter how much you add

So the answer CAN'T be Boiling point or Density

Electrical Conductivity changes <em>only when the number of ions in a solution changes</em>

So it CAN'T be Electrical Conductivity

It has to be VOLUME because volume is the only physical property that changes when you add or take away liquid from a liquidous mixture

4 0
3 years ago
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