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m_a_m_a [10]
3 years ago
10

9. What are the top three fossil fuels used for

Biology
1 answer:
Tcecarenko [31]3 years ago
7 0

Answer:

D.

Explanation:

Usage-

Oil (Petroleum) - 38%

Coal - 24%

Natural Gas - 23%

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In which of the following situations is evolution by natural selection most likely to occur?
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Answer:

b.

Explanation:

Natural Selection refers to the survivability of organisms based on different traits or genes that they have which then get passed on to their offspring. Based on this information we can say that a population of mountain gorillas in which individuals with genes for long hair survive the cold better is the situation in which natural selection is most likely to occur. This is because longer hair in this scenario is a gene that drastically affects the chance of survival for the gorillas and will most likely be passed on to their offspring.

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Answer:

Common minerals in metamorphic rocks include quartz, feldspar, mica, calcite, and hornblende. Index minerals in metamorphic rocks indicate how much the original rock was metamorphosed, called the grade of metamorphism. Index Minerals minerals include chlorite, epidote, garnet, staurolite, kyanite and sillimanite.

Explanation:

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How do two monosaccharides combine to form a disaccharide?
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Answer:

A monosaccharide is made of a 6-carbon cyclic ring. 5 out of the 6 form part of the ring while the other carbon acts as a side group of the 5’ carbon in the ring. When forming a disaccharide with the next monosaccharide, the OH of the 1’ C of one monomer undergoes a condensation reaction with the OH of the 5’ C of the next monomer. This results in the formation of a glycosidic bond and the loss of a water molecule.

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This is how monomers and polymers are related. Monomers are small molecules, mostly organic, that can join with other similar molecules to form very large molecules, or polymers. ... Polymers are chains with an unspecified number of monomeric units. a polymer. Homopolymers are polymers made by joining together monomers of the same chemical composition or structure.
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3 years ago
Read 2 more answers
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