Which subatomic particles each have a positive electrical charge?

a. protons

b. neutrons

c. electrons

Which of the following is an acid? A. H2SO4 B. K2SO C. KCI D. KOH

a piece of metal and a piece of brick are both sitting in the sun. If both are the same mass, what property of matter will make the metal feel hotter to the touch?

wnat happens to the sound intensity level (expressed in dB) if we doubled the intensity of the voice of a specific sound?

How do you study physics?

List the producers, consumers, and decomposers in food web

When a certain isotope, such as U-238, is hit by a neutron, it will always split into the same smaller nuclei. true or false?

A person walks 7 feet east stops and walks 7 feet west

Using the drop-down menus, choose the right government service to complete each sentence. Providing a free public education for all children is an example of supporting. Fighting fires is one way in which the government ensuresfor citizens.

A galilean telescope adjusted for a relaxed eye is 36cm long. If the objective lens has a focal length of 40cm, what is the magnification?

If a car goes along a straight road heading east and speeds up from 45 ft/s to 60. ft/s in 5 sec, calculate the acceleration