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Ahat [919]
2 years ago
9

Do you think the vacuum hose is an effective way to remove sea urchins? Why? Explain at least one way this technology can be imp

roved.
Biology
1 answer:
mamaluj [8]2 years ago
4 0

Answer:

No, or at least not yet. there small and dont do much improvment. If they were much bigger and sucked better, including some touch-ups here and there, they would have a bigger effect on removing sea urchins.

Explanation:

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Mount St. Helens is a volcano that erupted with great force in 1980. Which phrases best describe this eruption? Check all that a
kvasek [131]

it’s D and E the second last and last one literally just did it you’re welcome

8 0
3 years ago
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Over 1,800 mutations have been described within the CFTR gene. These mutations can be readily detected using PCR and DNA sequenc
sertanlavr [38]

Answer:

The correct answer is - option C.

Explanation:

CFTR is a short form of cystic fibrosis transmembrane conductance regulator protein which is caused by a recessive mutation in this protein. This mutation results in the accumulation of mucus in secretory organs.

As the disease is a recessive disease, for the mutant phenotype to expressed both copies of the allele required to be recessive.

The mother is negative for the CFTR. Hence, she will not transfer the mutant allele to her child So, the child would have a wild-type phenotype even if the father having two copies of recessive allele.

Thus, the correct answer is - option C.

8 0
3 years ago
Help me I am taking a quiz
Arisa [49]

Answer:

Maybe don't  cheat???

Explanation:

yeah

3 0
3 years ago
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PLEASE HELP I'LL PAY YOU ON MY PAY PAL OMG!!! AND I'LL GIVE A BRAINLY
pav-90 [236]

Answer: They lead to increased levels of carbon dioxide and other greenhouse gases in the atmosphere which causes the greenhouse effect.

Renewable resource: Sunlight, water, wind,

Norenewable: coal, natural gas, oil

Since fossil fuels are located all over the world, it makes it much easier to create electricity from them than things that are hard to come by.

Explanation:

Hope this helps

5 0
3 years ago
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Plss answer all! Help!
vladimir1956 [14]

Answer:

there are two types of cell one eukaryotic cell that have true nucleus (genetic material enclosed in membrane) and membrane bounded organelles and other is prokaryotic cell that donot have have true nucleus (genetic material dispersed in cytoplasm) and membrane bounded organelles.

similarities between PC and EC is that both contains cell membrane, ribosomes (not a membrane bounded organelle) .

examples of PC are bacteria , paramecium,fungi etc

examples of EC are plant and animal cells

there are two names for cell membrane i.e plasmalemma, cell surface membrane,

selectively permeable or semipermeable means cell only allows those material to pass through its cell membrane which it needs.this cell'ability is important because to protection against the poisonous substance and to maintain cell needs .

3 0
2 years ago
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