A heat engine operates between a hot reservoir with a temperature of 400 k and a cold reservoir with a temperature of 300 k. The engine accepts 500 j of energy from the hot reservoir, does 150 j of work, and exhausts 350 j of energy into the cold reservoir.

Astudy group should stay around 3-6 people. true or false

Factor out the greatest common factor. minus − 14 14p3 plus + 10 10p2 plus + 4 4p

Panthers and leopards prey on deer in an ecosystem. for unknown reasons, the population of leopards increased drastically. what are the likely effects of this change on the species? 1. more food for panthers and more competition for leopards 2. less food and more competition for panthers 3. fewer deer and more competition for panthers 4. more food for deer and less competition for panthers and leopards 5. more food for leopards and less competition for panthers