Your teacher alves you a rectangular block of the
element silveręag) that you mass at 886g, they tell you
that the metal has a density of 8.86691ml. the sample
mesures 2cm by 4cm. what is the height of your
sample?

a:

by the combination of an unlimited number of elements

it is the most commonly accepted one

c-14 is carbon-14, or radiocarbon.   it is a radioactive isotope of carbon with an atomic nucleus containing 6 protons and 8 neutrons.

the transfer of heat by electromagnetic radiation is called thermal radiation . it is usually carried out by electromagnetic waves in an energy range just below the visible spectrum, which is the infrared range.

so the answer would be radiation.

: )