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Step2247 [10]
3 years ago
5

Mercury completes one orbit around the Sun in 68 days. a. True b. False

Chemistry
1 answer:
mixer [17]3 years ago
7 0

Answer:

true :PP

Explanation:

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The tendency of molecules to move toward areas of lower concentration is called _____.
satela [25.4K]
The correct answer is B. The tendency of molecules to move toward areas of lower concentration is called diffusion. This happens when there is a concentration gradient. This is described by the Fick's laws of diffusion. Diffusion is the net movement of molecules from a higher concentration to lower concentration to achieve equilibrium.
5 0
3 years ago
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1)How can scientists use a seismograph to determine the density and depth of Earth's layers?
Masteriza [31]
Hello Olivia!!! 

<span>Q.) Describe at least two geological events that can occur at a divergent boundary.
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3 0
4 years ago
Which of these is a reason why nuclear power is important?
OlgaM077 [116]

Answer:

C Fossil fuels will run out soon

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3 years ago
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A gold nugget has a volume of 20.0 cm3 and its density is 19.3 g/cm3. What is the mass of the gold nugget?
salantis [7]
Density * Volume = Mass

Now we substitute the values in.

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5 0
4 years ago
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2. Incoming wastewater, with BOD5 equal to 200 mg/L, is treated in a well-run secondary treatment plant that removes 90 percent
Lesechka [4]

Answer:

10.8 ml

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See attached file

5 0
4 years ago
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