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eduard
2 years ago
8

I am clueless on this question please help me !

Chemistry
2 answers:
spayn [35]2 years ago
8 0

Its B, trust me

Im smart

zalisa [80]2 years ago
3 0

The Answer is B, 18 smores.

Explanation:

It takes simple math. There are 36 graham crackers. You divide it by 2 because you have to use 2 crackers for each smore. There is more than enough marshmallows and squares of chocolate to make 18 smores.

You can only make 18 smores because even though there's a lot of marshmallows and square of chocolate, there is no more graham crackers to make more smores.

Hope this helped :)

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STALIN [3.7K]

Answer: False

Explanation:

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4 0
3 years ago
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Charcoal found under a stone at Stonehenge, England, has a carbon-14 activity that is 0.60 that of new wood. How old is the char
kenny6666 [7]

Charcoal with a carbon-14 activity of 0.60 compared to new wood has less than 5,730 years.

<h3>What is a radioactive isotope?</h3>

A radioactive isotope is an element in nature that emit radioactivity in a given period of time (e.g., the half-life for C14 is equal to 5,730 years).

Radioactive dating is a technique to measure the age of an element by measuring its radioactive activity.

In conclusion, charcoal with a carbon-14 activity of 0.60 compared to new wood has less than 5,730 yr.

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5 0
1 year ago
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nataly862011 [7]

Answer:

hot air rises because gases expand as they heat up.When air heats up and expands,its density also increases.The warmer,less dense air effectively floats on top of the colder, dense air below it. This creates a buoyant force that causes warmer air to rise.

cold air sinks because it is heavier as its more dense ( because of closely packed molecules) soits harder for them to move and they absorb less energy. Also, gravity pulls on it more strongly.

Hope it helps :)

8 0
3 years ago
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Explanation:

7 0
2 years ago
The main goal of developing technology is to___?
sammy [17]

I believe the correct answer is C, but I'm 100% on this.  Hope this helped though!

-TTL

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