Which best describes the role the availability of resources plays when a company is considering whether to produce a certain good? A) resources can always be obtained, no matter what the cost. B) if a resource is difficult to obtain, production cost will be high. C) resources play no part in a company’s decision to produce a good. D) If a resource is easy to obtain, production cost will be high.

In which situation has the independent variable for the experiment been changed? check all that apply. changed from counting the number of duckweed at day 0 and day 14 to counting them every day changed from testing duckweed growth in beakers to testing duckweed growth in large outdoor tanks changed from testing the effect of ph on duckweed growth to testing the effect of light levels on duckweed growth changed from testing the effect of acid ph on duckweed growth to testing the effect of basic ph on duckweed growth

Assume you measured the mass of the cart to be (500 ± 1) g and the mass of the additional mass you put on the cart to be (500 ± 1) g as well. since the scale you are using in the lab cannot measure objects heavier than 600g you will have to sum up individual pieces and propagate the error. so what would be the mass and the standard error of the cart and the mass

Select the correct answer. what does the process of natural selection involve?