6. What type of variable star is shown in the image above?
O
O
O
O
A. Delta scuti variable
B. Cepheid variable
C. Stochastic variable
D. Lyrae variable

when atoms of different types of elements join together, they make molecules called compounds. water consists of compound molecules made up of 2 hydrogen atoms and 1 oxygen atom. this is why it's called h2o. water will always have 2 times the number of hydrogen atoms as oxygen atoms.

the answer is false?