The principle of increasing marginal opportunity costs states that the initial opportunity costs are:

Which group’s rights—human participants or nonhuman animals—are the most important to protect? why? not really a right or wrong answer, but give a detailed explanation

Which two organisms in the food web would most likely be affected by a decrease in producers, or the plants, at the bottom base of the food web?

What type of commercial speech is not protected by the 1st amendment?