Final answer:
Under Ontario's ESA, an adoptive mother is entitled to receive up to 18 weeks of leave for adoption, with up to 63 days of paid leave. The amount of paid leave varies depending on the adoptive mother's average weekly earnings, up to a maximum of $860 per week.
Step-by-step explanation:
Under Ontario's ESA (Employment Standards Act), an adoptive mother is entitled to receive a total of 18 weeks of leave for the adoption of a child, which includes up to 63 days of paid leave.
During the paid leave period, the adoptive mother is entitled to receive 66.7% of her average weekly earnings, up to a maximum of $860 per week.
It is important to note that the exact amount an adoptive mother receives may depend on various factors such as her average weekly earnings prior to the leave and the specific circumstances of the adoption.