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statuscvo [17]
2 years ago
6

Which of these actions has contributed to the increase of greenhouse gases in the atmosphere?

Biology
1 answer:
Sladkaya [172]2 years ago
6 0

Answer:

A

Explanation:

Trees and other plants absorb carbon dioxide from the atmosphere as they grow. This is converted into carbon and stored in the plant's branches, leaves, trunks, roots and in the soil. Cutting down of trees without allowing them to regrow, the carbon stored is released to the atmosphere in form of carbon dioxide which contributes to as much as 30 percent of global greenhouse-gas emissions.

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Why was it important for Miller and Urey to sterilized the apparatus to kill any bacteria in it?
valentina_108 [34]

Answer:

Having bacteria would produce organic molecules and defeat the whole purpose of the experiment which is to make organic molecules from inorganic molecules. The experiment was supposed to demonstrate the formation of the first organic molecules that initiated life on primordial earth. It is believed that lightning powered the formation of the first simple amino acids, like glycine, from the primordial atmosphere which was mainly composed of carbon dioxide and methane.

3 0
3 years ago
What is the difference between gene and an allele
Dmitry [639]

Answer:

A gene is a stretch of DNA or RNA that determines a certain trait. Genes mutate and can take two or more alternative forms; an allele is one of these forms of a gene. For example, the gene for eye color has several variations (alleles) such as an allele for blue eye color or an allele for brown eyes.

Explanation:

3 0
3 years ago
Bone marrow transplant taken from a donor and infused through the central vein is coded to what icd-10-pcs code
slava [35]
The ICD-10-PCS code is 30240G4.

Firstly, select "Administration" (section 3) because the procedure is the administration of bone marrow to the patient. Secondly, select "Circulatory" (section 30) because it is being administered in a vein (circulatory system). Third, select "Transfusion" (section 302) because it is being done a transfusion of bone marrow. Then select "Central Vein" (section 3024) because that's the place of administration in the circulatory system. Lastly, go to "Bone Marrow" (section 30240G) as that is what's being transfused and then choose "Transfusion of Allogeneic Unspecified Bone Marrow into Central Vein, Open Approach" (<span>30240G4) because it is not specified what type of transfusion it is.</span>
5 0
3 years ago
Inadequate carbohydrate intake results in the breakdown of body protein for use as fuel. true or false
SOVA2 [1]
The statement is true.
Carbohydrates are broken down in order to obtain glucose for respiration in cells. When there is an inadequate amount of carbohydrates, other macromolecules must be broken down. Excessive breakdown of fats is not possible due to the fact that it causes ketosis; therefore, proteins are broken down and the body starts to lose muscle mass.
4 0
3 years ago
40 point just answer it
Arte-miy333 [17]

Answer:

C. both sexual and asexual

Explanation:

In both cases, the parent(s) of the offspring pass down characteristics. Asexual reproduction makes a carbon copy of the parent so they would obviously have the parent's characteristics. Sexual reproduction passes down characteristics of both parents to the offspring.

7 0
3 years ago
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