Why do we sometimes hear that humans are top of the food chain?

1.48 Assume that the air volume in a small automobile tire is constant and equal to the volume between two concentric cylinders 13 cm high with diameters of 33 cm and 52 cm. The air in the tire is initially at 25 °C and 202 kPa.

If you do 1,000 J of work on a system and remove 500 J of heat from it, what is the change in its internal energy

Chlorine atoms each have 17 protons, how many neutrons does each CI-37 atom have?

Describe the climate and name the climate zone at alaska; portland, oregon; and key west, florida.

Why do some appliances have step-down transformers built in?

Which of these waves cannot travel in a vacuum? electromagnetic wave sound wave microwave light wave

A uniform cylinder of radius R and mass M is mounted so as to rotate freely about a horizontal axis that is parallel to, and a distance h from the central longitudinal axis of the cylinder.

A car accelerates from 3.5 m/s to 17 m/s in 4.5 seconds. Find the acceleration of the car in m/s2

At do we call the cells that are made as the end result of meiosis?

A force of 6.0 newtons changes the momentum of a moving object by 3.0 kilogramâ¢meters per second. how long did the force act on the mass?