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4 years ago

Deforestation ________.

Biology

1 answer:

kherson [118]4 years ago

8 0

Answer: Option B

Explanation:

Deforestation can be defined as the cutting down of trees in huge number. This act increases the amount of green house gases in the environment.

This is so because the carbon dioxide which is an important green house gas is absorbed by the trees which reduces the concentration of green house gas and thus decreases green house effect.

But lesser number of plants will increase the amount of carbon dioxide in the atmosphere thus increasing the green house effect.

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Oxygen is recycled in the

mixer [17]

C. None of these

it's the oxygen cycle which the option isn't available

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4 years ago

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2 years ago

Read 2 more answers

A molecule of mRNA with the sequence GGUCAUCACUAU experienced a

Digiron [165]

The term that describes the type of mutation is silent mutation, which is option B. Details about silent mutation can be found below.

<h3>What is mutation?</h3>

Mutation is any change in the nucleotide sequence of DNA molecule.

Mutation can be of different types as follows:

Frameshift mutation
Silent mutation
Nonsense mutation
Missense mutation

Silent mutation is the type of mutation that does not change the resulting amino acid.

According to this question, codon <em>GGU</em> is changed to <em>GGC</em> but they encode the same amino acid (glycine), hence, it is a type of silent mutation.

Learn more about mutation at: brainly.com/question/13923224

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3 0

2 years ago

LION

Bess [88]

The frequencies of R is 0.75 and the frequencies for R' is 0.25.

Explanation:

Data given:

Genotype frequency of incomplete dominance on flower colour of snapdragon:

RR = red 0.5625

RR' = Pink 0.375

R'R' = 0.0625

frequency of R and R'=?

According to Hardy-Weinberg equilibrium the genetic variation in a given population is constant from one generation to other if no factors causing evolution or genetic drift is there. So,

$p^{2}$ + $q^{2}$ + 2pq = 1

The p represents = homozygous dominant RR

q represents = homozygous recessive R'R'

2pq = frequency of heterpzygous genotype RR'

$p^{2}$ = 0.5625

p = 0.75 (frequency of R)

$q^{2}$ = 0.0625

q = 0.25 (Frequency of R')

Their sum is 1 as according to Hardy Weinberg condition:

p+q = 1

6 0

3 years ago

Which would have more effect on the evolution of plants and animals?

S_A_V [24]

Answer:

E. onset of an ice age

Explanation:

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2 years ago