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IRINA_888 [86]
3 years ago
11

How is nuclear fuel used to generate electricity? a. Nuclear reactions produce electricity directly. b. Nuclear reactions produc

e heat, which is used to create steam, turn turbines, and power generators. c. Nuclear reactions produce heat, which is used to power generators. d. Nuclear fuel produces the energy necessary to cause chemical reactions that produce electricity to take place.
Biology
2 answers:
Ksenya-84 [330]3 years ago
4 0
The answer is b just took the test
Westkost [7]3 years ago
3 0
The nuclear reactions creat electricity by constantly exploding to creat atomic burts of radiation which then gets made into paralell energy? forgive me if im wrong
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Plant embryos __________. a. rely on protection and resources supplied from the maternal plant. b. result from fertilization ext
Roman55 [17]

Answer:

A) rely on protection and resources supplied from the maternal plant.

Explanation:

The embryo is a structure formed after the fusion of the male gamete and female gamete. A diploid zygote is formed after cellular division forms the embryo in the female gametophyte and therefore is considered the diploid tissue.

The embryo requires the nutrients for growth and absorb them from the surrounding female gametophyte structure like endosperm in the angiosperm. The embryos grow and form the sporophytic structure.

Thus, Option-A is correct.

5 0
3 years ago
What is an observation? What do you use to make an observation?
4vir4ik [10]

Answer: we can make observations directly by seeing, feeling, hearing, and smelling, but we can also extend and refine our basic senses with tools: thermometers, microscopes, telescopes, radar, radiation sensors, X-ray crystallography, mass spectroscopy, etc. And these tools do a better job of observing than we can!

3 0
3 years ago
Briefly explain how greenhouse gases, (carbon dioxide in particular) can absorb and radiate heat inside Earth's atmosphere there
Irina18 [472]

Answer:

Explanation:

some gases prevent the escape of heat from the earth.There will be an increase in the percentage of such gases would cause the average temperatures to increase world wide.This is known as greenhouse effect.Carbon dioxide is one of the green house gases.An increase in the carbon dioxide content in the atmosphere woul cause more heat to be retained by the atmosphere and lead to global warming.

4 0
3 years ago
Two students below described a part of Earth's middle layer:
Svetach [21]

Answer:

c

Explanation:

3 0
3 years ago
Body Type: DNA code- AGTGCCTTC RNA code- ___________ Amino Acid sequence (aka protein)- ___________________ Body Type?- ________
olga2289 [7]

Answer:

The correct answer would be:

  • mRNA sequence - UCACGGAAG,
  • amino acid sequence - Ser-Arg-Lys, and
  • body type - dwarf

By central dogma, we know that nucleotide sequence of deoxyribonuceic acid (DNA) form the amino acid sequence of a polypeptide chain.

Nucleotide sequence of DNA is first decoded in the form of nucleotide sequence of mRNA (messenger ribonucleic acid) under the process of transcription. The sequence of RNA is complementary to the nucleotide sequence of template strand of DNA. In addition, uracil is present in RNA in place of thymine.

tRNA (transfer RNA) then deciphers the codon sequence of mRNA into amino acid sequence of polypeptide sequence by the process of translation.

Now, given DNA sequence is AGTGCCTTC.

so, the mRNA sequence would be UCACGGAAG.

Codon sequence is UCA CGG AAG.

So, the amino acid sequence would be Ser-Arg-Lys.

Hence, the trait of showman performer would be dwarfism.

Codon sequence chart is attached for reference.

5 0
4 years ago
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