Stephan claims that Earth has both a gravitational field and a magnetic field. Which statement best supports his claim? A. A compass points in the direction of both the magnetic and gravitational fields.
B. Any object will fall to the ground.
C. A bar magnet will fall to the ground.
D. Any object will fall to the ground, and a compass can be used for navigation.

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

Which of the following is the correct definition of chemical energy? a. energy an object has because of its motion or position b. energy resulting from the flow of charged particles, such as electrons or ions c. energy produced from the splitting of atoms d. energy stored in chemical bonds of molecules

How many moles of water are created if 3 moles of hydrogen react completely with excess oxygen?