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V125BC [204]
3 years ago
7

Edmentum assessments

Biology
2 answers:
Juli2301 [7.4K]3 years ago
5 0
What is you talking about boaaa
zysi [14]3 years ago
3 0

Answer:

bruh

Explanation:

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Beryllium is one of the elements that scientist can use as a cosmic clock to determine age true or false
wariber [46]

Answer:

False

Explanation:

Beryllium is used in alloys with copper or nickel to make gyroscopes, springs, electrical contacts, spot-welding electrodes and non-sparking tools. Mixing beryllium with these metals increases their electrical and thermal conductivity.  Other beryllium alloys are used as structural materials for high-speed aircraft, missiles, spacecraft and communication satellites.  Beryllium is also used in nuclear reactors as a reflector or moderator of neutrons.

3 0
3 years ago
Four children in a family have four different blood types. If the father has
Natali5045456 [20]
I think BO or B, but BO has more chance.
6 0
2 years ago
True or false: Theoretically, it is possible (but very difficult) for a population to not evolve for a while.
Debora [2.8K]

It is true that it is possible for a population to not evolve for a while.

There is something called the Hardy-Weinberg theorem, which characterizes the distributions of genotype frequencies in populations that are not evolving.

There are 5 Hardy-Weinberg assumptions:

  • no mutation
  • random mating
  • no gene flow
  • infinite population size
  • and no selection (natural nor forced).

You can see that some of these are kinda extreme and really hard to get, but with approximations, we can work.

For example, instead of an "infinite population size" we have enough with a really large population, such that genetic drift is negligible.

Concluding, yes, it is possible (but really difficult) for a population to not evolve for a while (at least, in nature), as long as the 5 assumptions above are met.

If you want to learn more, you can read:

brainly.com/question/19431143

7 0
3 years ago
Which base is found in DNA nucleotides, but not RNA nucleotides? thymine ribose guanine uracil
loris [4]

Answer:

Thymine

Explanation:

Nitrogen base found in DNA not RNA

"Have a good day." - Nahiku

7 0
3 years ago
Read 2 more answers
Can u help me please
blsea [12.9K]

17.

decreases.

it substantially increases then decreases.

18.

to the same organisms because oak leaves come from oak trees.

19.

Pyramid B

Pyramid A does not accurately represent the supply of food for the caterpillars.

4 0
3 years ago
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