Researchers hypothesize that several factors may affect the extent of predation by rats on birds. these factors include bird size, nesting site and the amount of time young spend in nest(duration of egg in incubation and nestling period). formulate one hypothesis and it’s accompanying null hypothesis about how one of these factors might affect predation?

How can firms use marginal analysis to determine the price of a product? a) profit maximization can occur when the marginal cost exceeds the marginal revenue. b) the total cost of production can determine the individual unit price of a product. c) marginal analysis can be used to determine at what price profit maximization occurs. d) firms can calculate the marginal cost of a product and set the price lower than the cost.

How american was colonial art? to what extent does it illustrate the development of a new society

Which of the following is not one of the seven points from the pre-start checklist recommended by the nsc