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Natasha2012 [34]
3 years ago
5

Explain why greenhouse gases are essential and yet a concern.

Biology
1 answer:
SVETLANKA909090 [29]3 years ago
3 0

Answer:

Greenhouse gases are essential for keeping in heat and maintaining the atmosphere, and yet it is a concern. These gases are harmful to the human body and to certain living things, and when the gap lessens between these creatures and the gasses, It creates living conditions that are very inadequate and do not allow life to prosper.

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How is the position of chromosomes different in metaphase and telophase?
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When you hear Metaphase think ‘middle phase’
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What role do stop codons play in protein synthesis ?
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The sequence of nucleotides, coded in triplets (codons) along the mRNA, that determines the sequence of amino acids in protein synthesis. The DNA sequence of a gene can be used to predict the mRNA sequence, and the genetic code can in turn be used to predict the amino acid sequence.

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If the Oort cloud contains 1012 comets, and ten new comets are discovered coming close to the Sun each year, what percentage of
scoray [572]

Answer:

The correct answer is 4.6 percent.

Explanation:

The Oort cloud refers to the clouds of icy objects, which is present in the outermost section of the solar system. These are the disperse layer of clouds found in the external layer of the solar system.  

In the given question, it is given that the number of comets in the Oort cloud is 10^12 comets.  

The number of comets getting close towards the Sun is 10 comets in a year.  

The age of the solar system is 4.6 * 10^9 years

The number of comets used since the start of the solar system is,  

(4.6 * 10^9 years) (10 comets/year)

= 46 * 10^9 comets

Thus, the number of comets disappeared since the beginning of the solar system is 46 * 10^9 comets.  

The initial number of comets at the start of the solar system is 10^12 comets.  

The percentage of comets that are used up are:  

(change in no of comets) / (initial no of comets) % = (46 * 10^9 comets) / (10^12 comets) * 100

= 4.6 percent.  

3 0
4 years ago
What is the size of the giraffe population?
Ierofanga [76]

Answer: 117,000

Explanation:

It is based on current environmental protection.

7 0
3 years ago
The apical ends of intestinal cells face the intestinal channel and have long processes that facilitate the absorption of nutrie
Serggg [28]

Answer:

microvilli, actin filaments

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The apical ends of intestinal cells face the intestinal channel and have long processes that facilitate the absorption of nutrients. the name of these processes is microvilli and actin filaments from the cytoskeletal element forms their internal skeleton.

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4 years ago
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