Why do our minds fill in the gaps for information we don't know? (hint: remember what you learned about gestalt psychology.)

Carbon-14 is a radioactive element that undergoes beta decay. which force is responsible for allowing carbon-14 to become stable? electromagnetic gravitational weak nuclear strong nuclear

Suppose you increase your walking speed from 7 m/s to 13 m/s in a period of 2 s. what is your acceleration?

Which two particles are found in the center of an atom