Which of the following determines the type of element that an atom makes? a) the size of the nucleus b) the number of protons c) the number of neutrons

Smog is the term used to describe the combination of fog and smoke

How does the principle of electromagnetism explain the interaction between earth’s magnetic field and the solar wind?

An animal cell loses the ability to convert energy stored in food to energy that the cell can use. which of the cell's organelles has stopped working? a. the mitochondria b. the nucleus c. the vacuoles d. the endoplasmic reticulum