When a scientist discovers something new, they determine it is a living thing if it _. a
is moving
b
takes up space
c
has mass
d
is made of cells

Fossil fuels are organic compounds that are made from

If 15 drops of ethanol from a medical dropper weight 0.60g, how many drops does it takes from a dropper to dispense 1.0ml of ethanol? the density of ethanol is 0.80g/ml

What two factors can affect the properties of a hydrocarbon? a. the number of its carbon atoms and the number of single bonds b. the number of its carbon atoms and the arrangement of its atoms c. the arrangement of its atoms and the number of its double bonds