Which of these is an example of a composite material?
a) wood planks used as beams to support roofs.
b) aluminum for the outer layer of an airplane.
c) fiberglass( a polymer that is reinforced with embedded glass fibers)
d) steel cables designed to be lightweight and strong.

Bthats what im doing to and i figured it out it is b

Hello thereone of the following properties was originally used to arrange elements on the periodic table, but is no longer used to organize the modern version. which property fits this description? answer: atomic mass  was originally used to arrange elements on the periodic table, but is no longer used to organize the modern version.

Do not include the unexpected results