BRAINLIEST
A scientist wants to find the average weight of fish living in a large pond. So she will use the weights of 42 fish from the pond to find the average weight.
Answer the questions below.
(a) Which unit(s) could be used for the unit of measurement? Check all that apply.
ounces
hours
minutes
seconds
pounds
(b) Which of the procedures below would be the best way to find the average weight?
O Randomly pick 42 fish from the entire pond and estimate their weights.
O Randomly pick 42 fish from the entire pond and weigh each of them.
O Pick 42 fish from a shallow region of the pond and weigh each of them.
O Pick 42 fish from a shallow region of the pond and estimate their weights.