Which is the largest gas that occurs in our atmosphere? Helium
Nitrogen
Other Gases
Oxygen

In 1980, alfa romeo introduced the first system to smooth a rough idle caused by ignition and camshaft timing changes.

The position of a crate sliding down a ramp is given by x=(0.05t^3) m, y=(1.7t^2) m, z=(6−0.85t^5/2) m, where t is in seconds. (a) determine the magnitude of the crate's velocity when t = 2 s. (b) determine the magnitude of the crate's acceleration when t = 2 s.

Which of the following are considered noble gases? a. bromine b. neon c. argon d. chlorine