Which is a carbohydrate?amino acid

nucleotide

polysaccharide

nucleic acid

Answers

Answer 1

Answer: Polysaccharide C....

Answer 2

Answer: A polysaccharide is a carb.

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Write a summary statement for saturated fats including whether they are solids or liquids at room temperature and weather they have all single carbon-to-carbon or at least one carbon-to-carbon bond

Answers

Answer:

A saturated fat is a type of fat in which the fatty acid chains have all or predominantly single bonds. A fat is made of two kinds of smaller molecules: glycerol and fatty acids. Fats are made of long chains of carbon atoms. Some carbon atoms are linked by single bonds and others are linked by double bonds. Double bonds can react with hydrogen to form single bonds. They are called saturated because the second bond is broken and each half of the bond is attached to a hydrogen atom.

Explanation:

Answer:

saturated fats consists of single covalent bond and they are solid at room temperature and their melting point increases with increasing chain length

hope it helps

Explanation:

How people depends on ecosystem

Answers

We depend completely on nature for essential, life-sustaining services – clean air and water, a stable climate, food – yet our activities are having an increasingly dramatic and detrimental effect on wildlife and ecosystems, putting not just wild species but also our own survival at risk

Which best describes biogeographic isolation?

Answers

Answer:

B. It cannot lead to evolution

Explanation:

I took the test on edge.

Bio-geographic isolation is the separation of part/a whole species due to either biological or geographical reasons.

Biological could be lack of food, or a more preferable source of food somewhere else, etc. Geographical could be rivers, oceans, mountains, etc.

What type of crustal collision led to the formation of the Andes Mountains? A. oceanic crust to oceanic crust collision B. oceanic crust to continental crust collision C. mantle to core collision D. continental crust to mantle collision

Answers

Oceanic crust to continental crust collision led to the formation of the Andes Mountains. Therefore, the correct option is B.

The collision between the oceanic Nazca Plate and the continental South American Plate was the primary reason for the development of the Andes Mountains. The collision of oceanic crust with continental crust occurs when oceanic crust subducts under continental crust. The subduction of oceanic crust beneath continental crust resulted in the uplift and formation of the Andes Mountains through volcanic activity and crustal deformation.

Therefore, the correct option is B.

Learn more about oceanic crust, here:

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Answer:

Explanation: Oceaninc to continental as the oceanic crust subducted under the continental

Multicellular organisms reproduce by binary fission. true or false