In a ecosystem, sheep are grazing animals that eat grass and clovers. this interaction is called (mutualism, herbivore, commensalism). sheep serve as food for bears. this interaction is called (predation, parasitism, competition)

Which technically is nasa developing that will astronauts reach mars

How have high taxes on tobacco products impacted the number of people who use them? a. the number of tobacco users has increased. b. the number of tobacco users has decreased. c. the number of tobacco users has not changed. d. the number of adolescent tobacco users decreased, while the number of adult users increased

Veronica and her little sister, monique, are playing on a seesaw. if veronica weighs 75 pounds, and monique weighs 60 pounds, which statement is true?