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AveGali [126]
1 year ago
9

Question 31 of 34 Which situation shows a nonrenewable resource in use?

Biology
1 answer:
kenny6666 [7]1 year ago
8 0

Answer:

chips made from silicon

Explanation:

Non renewable resources are natural substances that cannot be replenished when used for eg natural gas, coal, petroleum ,fossil fuels etc. Silicon is made when silica is heated with carbon after which the the product is reacted with hydrocarbons to polymerize them. Since the hydrocarbons are made from natural gas, oil ,it is non renewable

<em><u>♡´・ᴗ・`♡</u></em>

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If a substance can be separated by physical means and it is not the same throughout, what is it? a heterogeneous mixture a homog
GenaCL600 [577]
<h2>answer:</h2>

a heterogeneous mixture

<h2>explanation:</h2>

A heterogeneous mixture is commonly any mixture that is not uniform in combination - it's a non-uniform mixture of smaller fundamental particles. Using different means, the particles in the mixture can be separated from one another. In a heterogeneous mixture, the elements do not mix completely, and the individual items that form the mixture can be identified. Heterogeneous mixtures can typically be separated back into their original components by chemical or physical means.

5 0
3 years ago
Which of the following phenotypic classes reflect offspring that were generated as a result of a recombination event?
babymother [125]

Answer:

The correct options are: A " vestigial wings, red eyes" and D "full wings, purple eyes"

Explanation:

female parent: vg+pr+/vg pr

(phenotype - full winged and red eyes)

male parent:  vgpr/vgpr

(phenotype - vestigial winged and purple eyes)

Of these traits, vestigial wings and purple eyes are recessive traits. Hence, when a recombination event occurs, the offspring can potentially have a wild type trait paired with a recessive trait.

6 0
2 years ago
How does an increase in blood flow to the skin help to cool us down when temperatures are high?
wariber [46]
Your blood vessels dilate which is called vasodilation, this allows your blood to carry out the excess heat from inside your body to the outside.
4 0
3 years ago
Why and what do we dream for?
Andrej [43]

Answer:

in my opinion lol

Explanation:

Why : bc our mind is still active even while we r sleeping i think

What: to imagine things that will never happen but what we want.

6 0
3 years ago
Read 2 more answers
Approximately 99% of the microbes in the intestines are obligate anaerobes. We have plenty of blood vessels that can bring oxyge
garik1379 [7]

Answer:

The correct answer is option C.

Explanation:

The human gastrointestinal microbiota or the gut microbiota or the gut flora refers to the microbes, which thrive in the digestive tracts of humans. The human gastrointestinal tract comprises the gathering of all the genomes of gut microbiota. It is the niche where the human microbiota is found.  

The microbial composition of the gut microbiota differs across the digestive tract. In the small intestine and stomach, very small species of bacteria are found, while the colon comprises the densely populated microbial ecosystem. Of these over 99 percent of the bacteria found in the gut are anaerobes, as the space within the intestines is highly anaerobic.  

These microbes are confined deep within the body where oxygen cannot reach as it is not supplied with the help of blood vessels. Thus, a highly anaerobic environment is witnessed deep within the intestinal regions.  

8 0
3 years ago
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