Which of the following is an example of homeostasis? A. Humans wear hats in the sun.

B. Humans like to play sports.

C. Humans sweat when they are hot.

D. Humans cover their ears when there is a loud noise.

Which is equal to a temperature of 50°F? a 18°C b 46°C c 10°C d 32°C

How do the circulatory system and the respiratory system work together?

Temperature cannot be considered a field since there are occasions where it is not possible to measure it with a thermometer. True or False?

A 6.0 Ω and a 12. Ω resistor are connected in series to a 36. V battery, what power is dissipated by the 12.0 Ω resistor? A) 24. W B) 486. W C) 216. W D) 12. W E) 48. W

Which of the following is not true about centripetal force? Check all that apply. A. It's the same as centrifugal force. B. It's also called an inward force. C. Centripetal force keeps a car on the road going around a curve. D.

A gas in a piston is compressed doing - 439 j of work, and its internal energy increases by 318 j. how much heat flows? (be careful with + and -. + w = expansion. + q = added, + u = temp goes up) (unit = j)

A loop of wire is placed in a uniform magnetic field. (a) For what orientation of the loop is the magnetic flux a maximum? The plane of the loop is perpendicular to the magnetic field. The plane of the loop is parallel to the magnetic field.

Dr. Arenas is a scientist who has been trying to determine if increasing pressure will increase the sound that occurs when two chemicals explode.

Stephen buys a new mop he travels 3 km south and the. 4 km east and then 3km north how far does he need to go to get back. To where he started

The elements with the largest atomic radii are found in the