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Vinil7 [7]
3 years ago
12

Need help ASAP please help quickly??????

Biology
1 answer:
inessss [21]3 years ago
7 0
The answer is coal, C.
It takes a long time to regenerate, therefore it is labelled as non renewable energy.
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Factories and cars release pollutants into the atmosphere. These pollutants can dissolve in the water vapor in the atmosphere. W
stellarik [79]
Acid rain, if I understand the question correctly.
5 0
3 years ago
Read 2 more answers
Which of the following ecosystems would likely have the largest net primary productivity per hectare and why?
lora16 [44]

Answer:

i think its A

hope this helps

4 0
2 years ago
Black coat color in horses is conferred by the presence of a dominant B allele. Chestnut horses are genotype bb. A population of
AysviL [449]

Answer:

Frequency of B allele is 0.6681

Explanation:

If p represents the frequency of dominant allele and q represents the frequency of  recessive allele, according to Hardy-Weinberg equilibrium:

p + q = 1

p² + 2pq + q² = 1

where p² = frequency of homozygous dominant genotype

q² = frequency of homozygous recessive genotype

2pq = frequency of heterozygous genotype

Given that number of recessive chestnut horse = 28

Total horses = 226 + 28 = 254

frequency of b² genotype = 28/254 = 0.1102

frequency of recessive b allele = √0.1102 = 0.3319

So, frequency of B allele =

1 - 0.3319 = 0.6681

Hence frequency of B allele is 0.6681

7 0
3 years ago
Which of these can be found in RNA but not DNA
leonid [27]

Answer:

r u on edg

Explanation: if its edg i know it

4 0
3 years ago
A biologist subjects 200 plants to irradiation by X rays to induce mutations in the plants' genes. What should the biologist do
Anni [7]

Answer:

by phenotypically identifying plants unable (or with an altered ability) to synthesize auxins. This approach is called reverse genetics

Explanation:

Reverse genetics is a strategy widely used in molecular genetics aimed at analyzing the function of target genes by identifying defective phenotypes of one or more organisms following the disruption of the gene. In this case, a mutagenesis approach (i.e., irradiation with X-rays) was used to induce mutations in the gene/s involved in auxin production. Subsequently, the resulting mutant phenotypes, i.e., plants with an altered ability to synthesize auxin, can be used to reveal the biological function of individual (mutated) gene sequences.

3 0
3 years ago
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