PLEASE HELP Which of the answers below would be a correct chemical symbol of an element? HG
hg
Hg
hG

answer; i believe the correct answer is (c) /// is a homogeneous mixture of gaseous substance nitrogen,oxygen and smaller amounts of other substancesmixtures can be either ( homogeneous or heterogeneous)plz check first good luck

explanation:

crosscutting concepts have application across all domains of science. as such, they are a way of linking the different domains of science. they include patterns; cause and effect; scale, proportion, and quantity; systems and system models; energy and matter; structure and function; and stability and change.

passing a magnet thought the

mixture , because iron gets attracted to magnet .

c) should be the answer.