Question 1 of 10 Which of these is an example of a composite material?
A. Aluminum for the outer layer of an airplane
B. Plywood used in houses, which contains wood pieces glued
together in different directions
C. Wood planks used as beams to support roofs
D. Steel cables designed to be lightweight and strong

Why is an elements atomic mass not listed as a whole number on the periodic table

Fugu, also known as puffer fish, is a sushi delicacy that can also be lethal. puffer fish contain a powerful toxin that can kill an adult a few hours after ingestion. sushi chefs who prepare fugu must be specially trained because any contamination of the toxin-free areas of the fish can be deadly. recently this toxin has been put to good use, as scientists have discovered that a purified form of it can treat severe pain in cancer patients. this recent scientific discovery would fall under which area of chemistry? applied biochemistry pure organic chemistry pure physical chemistry applied inorganic chemistry

2pos suppose an object in free fall is dropped from a building. its starting velocity is 0 m/s. ignoring the effects of air resistance, what is the speed (in m/s) of the object after falling 3 seconds? give your answer as a positive decimal without units. answer here