A) At a convergent boundary
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Catabolism breaks down large molecules (such as polysaccharides, lipids, nucleic acids, and proteins) into smaller units (such as monosaccharides, fatty acids, nucleotides, and amino acids, respectively).
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D is the right answer for this question on e2020
Answer:
Oil Sand is also known as Tar Sands. Oil sand is a mixture of sand, clay, water, and a substance called bitumen.
Explanation:
Some of the disadvantages of tar sand are
- Extracting bitumen from tar sands is carbon-intensive.
- Leaks from tar sands operations could harm people and animals in the region.
- Clear-cutting is often required to access deposits.
Some of the advantages of tar sand are
- It provides a localized economic benefit.
- It is a secure source of energy.
- Environmental changes can be repaired.
- Recipients of tar sands experience economic benefits.