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olga2289 [7]
3 years ago
13

What happens when a sound wave moves from water to air?

Biology
1 answer:
marta [7]3 years ago
3 0
This is what happens when waves get reflected at a boundary, say between air and water: Notice how the reflection and transmission occurs at the boundary: the displacement of the wave is the same on the left and right. It's continuous at the boundary.
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The solutions in the two arms of a U-tube are separated by a membrane that is
IgorC [24]

Answer:

See the answer below

Explanation:

Recall that: <em>Water potential = pressure potential + solute potential</em>

Since the system is an open one;

<em>Water potential = solute potential = -iCRT</em>

i = number of particles the molecle will make in water (1)

C = molar concentration

R = Pressure constant = 0.0831 liter bar/mole K

T = temperature in kelvin = 22 + 273 = 295 K

To calculate water potential on side A:

C = 1 M

Water potential = - (1 x 1 x 0.0831 x 295) = -24.51 bars

For side B:

C = 2 M

Water potential = - (1 x 2 x 0.0831 x 295) = -49.03 bars

b.

<em>Since side A has higher water potential than side B, water will flow from side A to side B until equilibrium is established between the two sides. Water always flows from the region of higher water potential to the region of lower water potential.</em>

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6 0
2 years ago
List the 3 basic steps of DNA replication?
kari74 [83]
Initiation, elongation, and then termination
4 0
3 years ago
Read 2 more answers
Help!!
mario62 [17]

Answer:

well you either have eukaryotic or prokaryotes : Eukaryotic being us humans (the one special thing we have in are cells to function is a Nucleus, which holds genetic material), and then Prokaryotic which just dont have a Nucleus

6 0
2 years ago
The glycocalyx: binds solutes and transports them across the plasma membrane. is bound to the inner or outer surface of the plas
marissa [1.9K]

Answer:

Binds to extracellular structures and is important in cell recognition and lubrication of the cell surface.

Explanation:

They form a peri-cellular matrix around the cell and is observed as a fuzzy cell coat under a microscope.  Glycocalyx molecules are mostly made up of carbohydrates bonded with lipids and proteins. They are significant  in cell adhesion especially in tissues and for protection in prokaryotes. These molecules are also important in cell-to-cell communication and recognition.  

8 0
3 years ago
What process maintains a constant number of chromosomes within a species?
vivado [14]
"Meiosis" is the process that <span>maintains a constant number of chromosomes within a species

Hope this helps!</span>
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3 years ago
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