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ivolga24 [154]
3 years ago
8

1. Long strands of DNA that contain lots of genes

Chemistry
2 answers:
schepotkina [342]3 years ago
5 0
D.Chromosome Good luck :)
sergeinik [125]3 years ago
4 0

Answer: chromosome

Explanation: :)

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The hardest known mineral is _____.<br> topaz<br> talc<br> diamond<br> graphite
vagabundo [1.1K]
<span>The hardest known mineral is diamond.
</span>
5 0
3 years ago
Read 2 more answers
What is a scientific question?
Elena L [17]

Answer:

O c. One that is answered through observation

I used process of elminations so

Explanation:

One that everyone agrees one doesnt mean it's accurate.

Only the one that scientists ask doesnt make sense

One that never changes and One that is answered through observation.... So C

5 0
3 years ago
What substance takes part in an enzymatic reaction, but is unchanged by the reaction?
Ierofanga [76]
The answer to this question would be: enzyme 

<span>Enzyme is a kind of catalyst that </span>will take part in the chemical reaction but it won't be reacted. E<span>nzyme </span>only helps by reducing the energy needed to start the reaction.
Theoretically, the enzyme is not mandatory needed but if you have an enzyme the reaction will be easier, thus increasing reaction speed. But in most case, the reaction might be too slow without enzyme, making enzyme vital in living organism.
5 0
3 years ago
The density of copper is 8.92 g/mL. The mass of a piece of copper that has a volume of 10.3 mL is
m_a_m_a [10]

Answer:

The answer is

<h2>91.9 g</h2>

Explanation:

The mass of a substance when given the density and volume can be found by using the formula

<h3>mass = Density × volume</h3>

From the question

volume of copper = 10.3 mL

density = 8.92 g/mL

The mass is

mass = 8.92 × 10.3 = 91.876

We have the final answer as

<h3>91.9 g</h3>

Hope this helps you

8 0
3 years ago
Please help asap thank you.
Aleks [24]

Answer:

a)0.816g/l

b)0.241g/l

8 0
2 years ago
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