Which particles are found in the nucleus of an argon atom? A) protons and electrons
B) positrons and neutrons
C) protons and neutrons
D) positrons and electrons

The answer is C

Explanation:

Protons and neutrons are found in the nucleus of an argon atom.

in cartography, a contour line (often just called a "contour") joins points of equal elevation (height) above a given level, such as mean sea level. a contour map is a map illustrated with contour lines, for example a topographic map, which thus shows valleys and hills, and the steepness or gentleness of slopes.

explanation:

o conteúdo de calor de um sistema é igual à entalpia apenas para um sistema que é constante