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ryzh [129]
3 years ago
12

What makes up a compound

Chemistry
2 answers:
fiasKO [112]3 years ago
7 0
Two sentences conjoined by a conjunction word
Mademuasel [1]3 years ago
4 0

Answer:

Elements make up a compound.

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HURRY PLS HELP
ratelena [41]

<em>Scientists believe water currents within the earth's mantle are slowly causing the plates above to move </em>

<em></em>

<em>Answer: </em><u><em>True</em></u>

<u><em /></u>

<u><em>EXplanation:</em></u>

<u><em /></u>

<u><em>The common, simplified explanation for why tectonic plates are moving is that they're carried along on currents in the upper mantle, the slowly flowing layer of rock just below the Earth's crust. Converging currents drive plates into each other. Diverging currents pull them apart</em></u>

8 0
3 years ago
What happens to the water particles in a wave?
PIT_PIT [208]

Answer:

C. The water particles move up through the wave.

4 0
3 years ago
The sodium-potassium pump is called an electrogenic pump because it
kvv77 [185]

Answer:

Contributes to the membrane potential.

Explanation:

Sodium-potassium pump: In cellular physiology, a protein which is identified in many cells that helping in to maintain the higher concentration of potassium ions inside than that is in the surrounding medium and maintain the lower concentration of sodium ions inside than that of the surrounding medium.

This unbalanced charge transfer contributes in the separation of charge across the cell membrane. Sodium-potassium pump is known for important contributor to action potential which is produce by nerve cells.

8 0
3 years ago
This chart show the amount of radioactivity measured from three unknown isotopes.
Ad libitum [116K]

Answer:

We are asked to describe the half-life of the radioactive materials.

  • Hence the 3rd option is correct
5 0
3 years ago
Suppose that 25,0 mL of a gas at 725 mmHg and 298K is converted to
posledela

The new volume : 21.85 ml

<h3>Further explanation</h3>

Given

V1=25,0 ml

P1=725 mmHg

T1=298K is converted to

T2=273'K

P2=760 mmHg atm

Required

V2

Solution

Combined gas law :

\tt \dfrac{P_1.V_1}{T_1}=\dfrac{P_2.V_2}{T_2}

Input the value :

V2=(P1.V1.T2)/(P2.T1)

V2=(725 x 25 ml x 273)/(760 x 298)

V2=21.85 ml

5 0
3 years ago
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