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.

Identifying what you will need to review takes place

Find the area of shaded region z=-0.89

The ancestors of horses possessed feet with five digits. over time, with the development of grasslands, the digits fused and formed hooves. what evolutionary advantage did this transformation serve? a. it allowed them to climb rocky surfaces with ease. b. it allowed them to graze better. c. it enabled them to run faster from predators. d. it let them see clearly through the grasslands. e. it made them taller.