Protons are made up of ___ up quark (s) and ___ down quark (s).

a. 1, 1

b. 1, 2

c. 2, 1

d. 2, 2

Which two forms of energy does a hairdryer convert electric energy into? chemical energy gravitational potential energy magnetic energy motion energy thermal energy

Chocolate chip cookies or chocolate fudge cookies?

Can certain traits disappear in a family? Why or why not?

A flute plays a note with a frequency of 266 Hz. What is the speed of sound if the wavelength is 1.3 m? 102 m/s 205 m/s 346 m/s 692 m/s

Which has a greater kinetic energy a 20.0kg greyhound running at 16m/s or a 923.0kg polar bear running at 2.5m/s

A woman pulls a crate up a rough, inclined plane at constant speed. Which one (s) of the following statements concerning this situation is (are) correct? Group of answer choices The woman does positive work in pulling the crate up the incline.

In a compression wave, particles in the medium move a. perpendicular to the direction of the wave c. in the same direction as the wave b. opposite of the direction of the wave d. in depends upon state of the medium

Every choice has a positive or negative consequence. a. True b. False

How much heat is released when a 10 gram piece of aluminum foil is taken out of the oven and cools from 50 10 c

What career has to do with one of these listed ... fossil fuels, nuclear energy, biomass, hydropower, solar energy, geothermal energy, or wind energy.