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tekilochka [14]
3 years ago
7

Using current genetic engineering techniques can provide potential benefits for parents, including

Chemistry
2 answers:
a_sh-v [17]3 years ago
8 0

Answer:

B. Conceiving a child who is a bone marrow match to a living child.

Explanation:

I don't know it just is.

Black_prince [1.1K]3 years ago
5 0

Answer:

conceiving a child who is a bone marrow match to a living child.

Explanation:

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Which of the following elements is rarely found in organic molecules?
fgiga [73]

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C: Carbon

Explanation:

Hydrogen, oxygen, and carbon are the most important elements in organic compounds.

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A substance placed in a container has a fixed volume and takes up the space of the container. In which state does this substance
DiKsa [7]
The substance is a solid
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I need help with these two if you zoom in it’s clearer
makvit [3.9K]

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It looks alittle dark can you fix it?

3 0
2 years ago
There are two naturally occurring isotopes of boron. 10 B has a mass of 10.0129 u. 11 B has a mass of 11.0093 u. Determine the a
Vanyuwa [196]
<h2>Natural Abundance for 10B is 19.60%</h2>

Explanation:

  • The natural isotopic abundance of 10B is 19.60%.
  • The natural isotopic abundance of 11B is 80.40%.
  • The isotopic masses of boron are 10.0129 u and 11.009 u respectively.

For calculation of abundance of both the isotopes -

Supposing it was 50/50, the average mass would be 10.5, so to increase the mass we need a more percentage of 11.

Determining it as an equation -

10x + 11y= 10.8

x+y=1 (ratio)

10x + 10y = 10

By taking the denominator away from the numerator

we get;

y = 0.8

x + y = 1

∴ x = 0.2

To get percentages  we need to multiply it by 100

So, the calculated abundance is 80% for 11 B and 20% 10  B.

5 0
3 years ago
The brain tells his stomach intestines and liver want to be active and want to rest. Messages to and from the brain decide when
Nana76 [90]

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Nervous System I believe

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