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IgorLugansk [536]
3 years ago
14

I am confused, please help

Chemistry
1 answer:
lesya [120]3 years ago
8 0
A candle will change mechanically by making the candle smaller. It will change chemically by melting the wax of the candle.
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what type of science allows us to alter the DNA of a corn plant so that it will contain more protein?
fiasKO [112]

Answer:

biotechnology

Explanation:

hope this helps have a good day

4 0
2 years ago
Read 2 more answers
A 4.24 kg marble slab has the volume of 1564 cm3 What is the density in g/cm3
miskamm [114]

Answer:

The answer is

<h2>2.71 g/cm³</h2>

Explanation:

The density of a substance can be found by using the formula

density =  \frac{mass}{volume} \\

From the question

volume of marble = 1564 cm³

1 kg = 1000 g

4.24 kg = 4240 g

mass = 4240 g

The density is

density =  \frac{4240}{1564}   \\  = 2.710997442...

We have the final answer as

<h3>2.71 g/cm³</h3>

Hope this helps you

7 0
2 years ago
Which property is characteristic of ionic but not of covalent compounds? 1. low boiling point 2. non-conductor of electricity in
otez555 [7]
Ionic and covalent bonds are both strong intermolecular forces. They are generally both crystalline in structure. But relatively speaking, ionic bonds are much stronger. As a consequence, they have inherent properties of higher boiling points, higher melting points, lower volatility, etc. Also, ionic bonds display conductive properties because they are strong electrolytes. <em>Thus, the answer is 5) higher melting points.</em>
5 0
2 years ago
PLEASE HELP ME BABES AND ASAP PLEASE!!
Goryan [66]
What special structures are needed for green plants?
<span> A.chloroplasts and chlorophyll

</span>
<span> What happens during the light reaction of photosynthesis? </span>
<span> D. Water molecules split apart. (Not 100%) </span>
5 0
2 years ago
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Which fraction contains the largest molecules?<br> A) diesel<br> B)gasoline <br> C)kerosene?
OLga [1]
The answer is A because of the shear thickness of diesel fuel
3 0
2 years ago
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