Answer:
CaSO4 2H20
Explanation:
if you look it up you would see the same answer on a website
The volume is directly proportional to the absolute temperature so the answer is A.
Steel is an alloy and consists of more than one element (mainly iron and carbon), therefore steel is a mixture.
1)The branch of science concerned with the substances of which matter is composed and it is a study of matter.
2)It helps you understand the world around you,chemistry helps you to understand product labels and etc.
3)You find chemistry in daily life in the foods you eat,the air you breathe,cleaning chemicals and etc.
4) Physical,Analytical, Biochemistry,Organic and inorganic chemistry.