What is a difference between a law and a hypothesis?

a. a law describes how two variables affect each other, but a hypothesis only discusses one variable.
b. a law must be testable so that it can be proven, but a hypothesis is an untestable explanation.
c. a hypothesis includes an explanation for why two variables affect each other, but a law only describes how they affect each other.
d. a hypothesis may or may not be testable, but a law is an untestable explanation of why two variables affect each other and cannot be proven.

When many atoms are split in a chain reaction, a large explosion occurs. this is an example of what type of energy conservation

Which terms describe the purpose of antennas on devices that use radio waves? transmit and receivemodify and amplifyamplify and receivemodify and transmit

Utah's great salt lake has an average salinity seven times higher than that of the oceans. very few multicellular organisms live in this harsh environment. an example is the brine shrimp, which must devote a large portion of its metabolic energy to osmoregulation. these brine shrimp must available hint(s)utah's great salt lake has an average salinity seven times higher than that of the oceans. very few multicellular organisms live in this harsh environment. an example is the brine shrimp, which must devote a large portion of its metabolic energy to osmoregulation. these brine shrimp must pump water back into their cells to counter its loss due to osmosisactively pump water back out of their cells to counter its inflow due to osmosissynthesize membranes that are impermeable to substances that upset osmotic balanceactively pump salt back out of their cells to counter its inflow due to osmosis