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Verizon [17]
3 years ago
9

How many valence electrons does this atom have? How do you know?

Biology
1 answer:
Zanzabum3 years ago
3 0

Answer:

5 valence electrons

Explanation:

valence electrons are the electrons at the ends of atom or in the valence cell. so there are 5 valence electrons.

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Which organism would most likely be labeled a tertiary consumer?
Anon25 [30]

Answer:

OHHHHH oKkkkkkk i didnt think that said organism u cant say what i thought it said on brainley but remove the n and i

Explanation:

4 0
3 years ago
Peat is a mixture of partially decomposed plant and animal material found in waterlogged, acidic, anaerobic environments. people
Verizon [17]

because the total time for restoration is lengthy, peat can be considered a fossil fuel. The correct option is B.

<h3>What exactly are fossil fuels?</h3>

Fossil fuels are fuels derived from the remains of dead plants and animals that decomposed over time under intense heat and pressure.

Because their replenishment time is longer than a human lifetime, fossil fuels are non-renewable energy sources.

Some examples of fossil fuels are petroleum, coal, etc.

The missing options of the question are:

  1. peat is a fossil fuel because rewetting it takes only 3-5 years.
  2. peat is a fossil fuel because the total time for restoration is lengthy.
  3. peat is not a fossil fuel because it has biologic origins, making it a biofuel.
  4. peat is not a fossil fuel because humans can promote the replenishment of peat.

The restoration process of peat takes a long time of more than 100 years. As a result, because the total time for restoration is lengthy, peat can be considered a fossil fuel.

Thus, the correct option is B.

For more details regarding fossil fuels, visit:

brainly.com/question/2029072

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3 0
2 years ago
Why do sociologists use scientific methods of study in their investigations
dezoksy [38]
Its has to be A that's just plain common sense
6 0
3 years ago
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The testcross makes it possible to determine the genotype of an individual of unknown genotype who exhibits the dominant version
klio [65]

Answer:

All of the above answer choices are correct.

Explanation:

Test cross is done to find out the genotype of an individual displaying dominant phenotype as it can be homozygous or heterozygous. To find this the individual is crossed with a recessive phenotype individual. For example: a dominant trait tall height can be homozygous TT or heterozygous Tt. If it is TT all the offspring of test cross with tt will be tall. If it is Tt half of the offspring will be tall and half of the offspring will be short.

Multiple offspring are required to come to the final result because offspring production happens in random order and it might take a few tries before another type of phenotype is produced. For example: If a test cross produces an individual with dominant phenotype we can still not surely say if the test individual is homozygous or heterozygous because both can produce dominant phenotype in test cross. We need more offspring to check if the recessive phenotype is produced or not and accordingly decide the genotype of test individual.

Hence all of the above answer choices are correct.

6 0
3 years ago
Each trait of a plant is determined by _____. an allele one gene a pair of genes one dominant gene
Inessa05 [86]
Each trait of a plant is determined by a pair of genes.
8 0
3 years ago
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