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Zigmanuir [339]
4 years ago
15

Which contains mostly hydrocarbons? A. proteins B.salt C.gasoline

Chemistry
2 answers:
mixer [17]4 years ago
5 0

it should be Carbohydrates.

Ksju [112]4 years ago
5 0
Gasoline of course %oydkydykdlydhkdhldkhzlzh
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Which statement describes the moment magnitude scale?
KengaRu [80]
The moment magnitude scale is a scale that rates earthquakes by estimating the total energy released by an earthquake . Estimating the total amount of energy released, enables comparison of earthquakes more accurately.
This scale can be used to rate earthquakes of all sizes, near or far. The following statements describe the moment magnitude scale:
B. It collects data using a seismograph.
D. It estimates the total energy released from an earthquake.
E. It determines the amount of damage caused by an earthquake.
8 0
3 years ago
Read 2 more answers
When repeated measurements of the same quantity are very close to one another they are
Vanyuwa [196]

When repeated measurements of the same quantity are very close to one another they are termed as precise measurements.

<u>Explanation: </u>

An experiment is repeated two to three times and the outcomes were checked to have similar values to attain precision of the measurements. The accuracy and precision are the important in attaining correct measurements.

The accuracy is the closest true value obtained from the measuring instrument. But to get precise results, the measurements were taken repeatedly and then analyzed whether the values obtained are similar or varying significantly.

If the repeatedly measured values are very close to one another that means the measured quantities are precisely taken. All the values are precise in nature.

3 0
3 years ago
Can you help me balance these chemistry equations?<br> I need to be done by 8pm and it's 7:17pm
Ivanshal [37]

Yes, It is correct.

7 0
3 years ago
How far will a car go that is moving at 10 m/s in 1 hour
Airida [17]

Answer:

36,000 miles in one hour.

Explanation:

Because there are 60 seconds in a minute and 60 minutes in an hour so to find out how many seconds are in an hour you multipy 60x60 to get 3600. Then to find out how many miles in the 3600 seconds you multiply 10 x 3600 to get 36000.

4 0
3 years ago
One of these notations represents the definition of one mole. That is
just olya [345]

Answer:

6.02*10^23

Explanation:

This is the number for one mole. Just like one dozen = 12, one mole = 6.02*10^23.

Fun fact, if you had a mole of pennies you could spend 1 million dollars every second of your life and not have even spent 1% of it by the time you die at 100 years old.

3 0
4 years ago
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