What changes in the land uncovered the rhinoceros fossil? By the way, this is science, not history. I just could not find science for one of the subjects.

Profits are maximized when marginal revenue and marginal costs are a. set c. equal b. less than market price d. greater than market price

Brainliestttme : ) what are trading blocs and what is the impact of international cooperation?

President of the united states has scheduled a cabinet meeting today to discuss energy policy with specific focus on pollution and global warming. given what you know of the executive branch, which group of attendees would the president most likely expect to provide up-to-date information and expert insight during this meeting?