Gas is heavier than oxygen. Cold air is heavir than hot air
It depends on the type of rocket.
Any object, provided it is aerodynamic in its design, may be rendered airborne, providing it can generate the needed lift and thrust.
Cloth can be heavier than paper depending on the specific type and thickness of the cloth and the paper being compared. Generally, cloth tends to be denser than paper, which can make it heavier for the same size.
Aluminum is heavier than plastic. Aluminum has a density of about 2.7 g/cm3, while plastic generally has a lower density depending on the type of plastic.
kind
the answer is silver which is a precious metal other than gold or another type of metal.
A breed of horse heavier than the Thoroughbred, but similar in type. Standardbreds have a calm temperament and are used in harness racing.
A bone scan, or x-ray is simply a different type of scan than an MRI. No kind of scan is better than another, it simply depends what the scan is trying to ascertain.
Depends a bit on the age and type of lion. but generally the elephant will be heavier.
A tank is typically heavier than an airplane. Tanks are military vehicles designed for combat, and they are armored and heavily equipped with weapons. Airplanes are designed for flight, and their weight can vary depending on the type and size of the aircraft.
Answer: That probably would depend on the type of wood (e.g. ironwood vs balsa.?Answer: No wood is as heavy as iron. Iron would be heavier. Iron has a density of about 8 gram per cubic centimeter; would is usually lighter than water (density less than 1), but some woods are a little heavier than water.
Multiple choice is an example of one kind of test. Another type of test is fill in the blank or essay. An essay test, requires more knowledge and more writing than a multiple choice test.