How much leg lunges squats push ups and sits ups should a 13 year old boy do a day?

Does entropy increase during sublimation

Is Sunlight an example of white light?

A rectangular loop (area = 0.250 m 2) turns in a uniform magnetic field with B = 0.210 T. At an instant when the angle between the magnetic field and the normal to the plane of the loop is π/2 rads and increasing at the rate of 0.

An X-ray telescope located in Antarctica would not work well because of (a) the extreme cold; (b) the ozone hole; (c) continuous daylight; (d) Earth's atmosphere.

Militarism in Europe in the late 1800s? a. Nations made political and military alliances. b. Strong governments developed. c. Nations made economic alliances. d. Political tension between nations was reduced.

What is p in physics?

Often in Physics we will show a frame of reference as a

Which of these could be the dimensions of an object with a volume of 1 cm³? A. 1 cm * 1 cm * 1 cm B. 0.5 cm * 1 cm * 4 cm C. 10 cm * 1 cm * 10 cm D. 0.3 cm * 0.3 cm * 0.4 cm

If the wavelength of a yellow light is 580nm what is its frequency?

Which two stimuli did John B. Watson associate in his infamous "Little Albert" experiment? A. a white lab rat and the boy's mother B. fear and a loud noise C. a white lab rat and a loud noise D. fear and the boy's mother