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mamaluj [8]
3 years ago
14

Natural resources are not required for all energy producing technology. Please select the best answer from the choices provided

T F
Biology
2 answers:
alina1380 [7]3 years ago
7 0

Answer:

false

Explanation:

periodt

laila [671]3 years ago
4 0
<h2>Answer:</h2>

<u>The statement is</u><u> False</u>

<h2>Explanation:</h2>

Energy production needs a source. These sources may be renewable or non renewable but in both cases they are present naturally in the universe and we cannot make anything without using natural resources. For example if we use nuclear energy we need radioactive minerals. Similarly water, air, solar energy, coal, fossil fuels, natural gas or whatever source we take, they are all present in nature already so natural resources are required for all energy producing technology whatever the industry we take.

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Water at the top of the slope has potential energy. <br> true or false?
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True. Because its staying still
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What protects the stomach from acidic gastric juices
mihalych1998 [28]

This might help,the presence of hydrochloric acid creates an acidic environment within the stomach that is needed to convert pepsinogen to pepsin. Mucus that is produced by the epithelial cells of the stomach help protect the lining of the stomach from the corrosive hydrochloric acid and pepsin.

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3 years ago
Read 2 more answers
Suppose a population is carrying a condition controlled by two alleles: R (dominant) and r (recessive). Only homozygous individu
White raven [17]

<span><u>The answer is A. 72.25 percent.</u>

The Hardy-Weinberg principle can be used:</span>

<em>p² + 2pq + q² = 1</em> and <em>p + q = 1</em>

where <em>p</em> and <em>q</em> are the frequencies of the alleles, and <em>p²</em>, <em>q²</em> and <em>2pq </em>are the frequencies of the genotypes.

<span>The <em>r</em> allele (<em>q</em>) is found in 15% of the population:
q = 15% = 15/100
Thus, q = </span><span>0.15

To calculate the <em>R</em> allele frequency (<em>p</em>), the formula p + q = 1 is used:
If p + q = 1, then p = 1 - q
p = 1 - 0.15
Thus, </span><span>p = 0.85

Knowing the frequency of the <em>R</em> allele (<em>p</em>), it is easy to determine the frequency of the RR genotype (p²):
p² = 0.85² = 0.7225

Expressed in percentage, p² = 72.25%.</span>

4 0
2 years ago
Which statements describe dark matter? Check all that apply.
Bad White [126]

Answer:Dark matter is invisible and does not emit electromagnetic radiation. Dark matter is part of a theory that hypothesis the existence of a counterpart to the particles we know in physics, in order to balance the universe that otherwise would be largely unbalanced right now. However, the theory right now is not yet proven.

Explanation:done

6 0
2 years ago
A woman produces an egg with 24 chromosomes, including 2 copies of chromosome 21. If the egg is fertilized by a normal sperm, th
Zielflug [23.3K]

Answer:

47

Explanation:

We all know that gametes like egg cell and sperm have haploid set of chromosomes but here as per this question she has produced 2 copies of chromosome 21. For the sake of maintaining haploidy, she was supposed to have only a single copy of chromosome 21 as a result of which her egg cell was supposed to have 23 chromosomes not 24.

But, this is a case of non dis-junction. Also, in a normal sperm there are no such copies of any chromosome i.e. there is a haploid set of chromosomes. It means that sperm must be having only 23 chromosomes. So we can easily infer that when the egg cell and sperm will fuse, the zygote will have 47 chromosomes (24 from egg cell and 23 from sperm).  

6 0
3 years ago
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