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pentagon [3]
2 years ago
11

Which of the following is not true concerning the energy harnessed by humans throughout history? a. early hominids harnessed the

least energy, just that of their own bodies. b. fire let humans increase their energy use tenfold. c. neolithic farmers were able to harness the energy of animals. d. modern humans use more than a hundred times the energy of early humans.
Biology
2 answers:
Elina [12.6K]2 years ago
7 0

Answer:

B. Fire let humans increase their energy use tenfold

Explanation:

Trust :)))

vitfil [10]2 years ago
6 0

Answer:

B. Fire let humans increase their energy use tenfold

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almond37 [142]

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<em> Neurons (also known as neurones, nerve cells and nerve fibers) are electrically excitable cells in the nervous system that function to process and transmit information. </em>

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3 years ago
In humans, MN blood types are determined by an autosomal gene with two alleles: LM and LN. In one population of 592 people, ther
RoseWind [281]

Answer:

148

Explanation:

According to Hardy-Weinberg equilibrium,

p + q = 1

p² + 2pq + q² = 1 where,

p = frequency of dominant allele

q = frequency of recessive allele

p² = frequency of homozygous dominant genotype

2pq = frequency of heterozygous genotype

q² = frequency of homozygous recessive genotype

Here,

Total population = 592

Number of NN people = 148

Frequency of N blood group or NN genotype (q²) = 148/592 = 0.25

q = √0.25 = 0.5

p = 1 - q

= 1 - 0.5 = 0.5

Hence, p = 0.5

Frequency of MM genotype = p² = 0.25

Number of people with MM genotype = 0.25*592 = 148

Hence, 148 people will have MM genotype or M blood group.

5 0
3 years ago
Which is the correct order in the scientific process
solmaris [256]
1

state the problem

<span></span>2

hypothess (prediction)

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design the experiment

<span></span>4

record and analyze the date

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<span>conclusion (what did you learn)</span>

7 0
3 years ago
Read 2 more answers
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