The peace treaty which ended French control over Canada in 1763 was signed in:

February 10, 1763.

Explanation:

well, that's easy; the answer's c, "it reduces contamination of the water and substrate of the estuary."

many phylogenetic trees have a single lineage at the base representing a common ancestor. a lineage that evolved early from the root and remains unbranched is called basal taxon. when two lineages stem from the same branch point, they are called sister taxa.

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explanation: