Which of the following is an element? A.
zinc metal (Zn)
B.
magnesium chloride salt (MgCl)
C.
hydrochloric acid (HCl)
D.
carbon monoxide gas (CO)

How can a give a full method for the experiment of separating sand from water by filtration? 1-materials 2-steps 3-conclusion also for water and salt separated by the evaporation or distillation process

Glucose (c6h12o6) is an important biological molecule. (round the answer to nearest hundredth.) what is the percent by mass of carbon in glucose?

The organs inside the body and how they function together