Which of the following statements is true about quarks?

A. Each proton and neutron is made up of three quarks.

B. Quarks tie electrons and protons together in the nucleus.

C. A proton and a neutron combine to form one quark.

D. Quarks is another name for protons and neutrons.

C

Explanation:

I think this is it because quarks come together to form protons and neutrons.. hope it works

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:

b is the correct answer

mark me brainliest and hope this