now consider the statements in part a that are inferred from models. a solar model is used to calculate interior conditions based on certain known characteristics of the sun, such the sun’s total mass. how do we know the sun’s mass?

Which fact supports the conclusion that there will be fewer farm managers in the future? a) a farmer manager’s duties vary by the type of farm. b) farm technology is replacing some administrative jobs c) farm managers often need experience but not education. d) administrative duties include budgeting and training staff.