Organisms must respond to changes in their environment in order to survive. Which of the following is an example of a physical response to an environmental change?
O a bear hibernating in winter
O a bird migrating when the season changes
O a dolphin performing tricks for food at an aquarium
O a plant turning so that its leaves face the sunlight

it 2

step-by-step explanation:

8^1/3=2

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a. she will receive a refund of $278.

step-by-step explanation:

example 2 – simplify: step 1: completely factor both the numerators and denominators of all fractions. step 2: change the division sign to a multiplication sign and flip (or reciprocate) the fraction after the division sign; essential you need to multiply by the reciprocal. step 3 : cancel or reduce the fractions.