Arock with a mass of 8 kg falls straight down from a height of 7 m. what work is done?

Herbivores, carnivores, and omnivores are all types a. decomposers b. producers c. consumers d. biomes

The freezing and boiling point of a substance changes as the air pressure around it changes. for example, at a lower air pressure (higher altitude) it is easier for water molecules to escape from liquid into the air. in a high altitude city such as denver, colorado compared to a sea-level city such as houston, texas, water

Will mark as brainliest how does a catapult increase the trajectory of an object? ps. answer as if u were a 5th grader