A delta is formed by constructive erosion.
Answer:
the abiogenesis theory helps us understand
Explanation:
Answer:
true
Explanation:
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Answer: C. Substitution
Explanation:
Substitution is a type of mutation in which a base or amino acid is replaced by another. For example in sickle cell disease, the mutated sickle haemoglobin results from a point mutation of a single amino acid substitution in which a valine residue replaces a glutamate residue at the sixth position in the two beta chains.