Answer:
MIXTURE , ELEMENT AND SUBSTANCE
Answer:
c) decongestants relive excessive muscle in nasal pathways
Answer:
1)Around 450 B.C., the Greek philosopher Democritus introduced the idea of the atom.
2)All matter is made of atoms, Atoms are indivisible and indestructible.Compounds are formed by a combination of two or more different kinds of atoms, A chemical reaction is a rearrangement of atoms.
3)B
Explanation:
The heat energy needed is 2928800J. Mass is given as 20 (kg)
