Use the data in the table to determine the identities of the two gases that you found could be components of
water. Provide evidence to support your claim.

Arock is dropped from a cliff and reaches the ground in 2.70s. at the same time another rock is thrown horizontally from the same height with initial x velocity of 0.95 m/s. what distance will in x will the second rock cover?

State the right hand rule of the direction of magnetic field in a conductor carrying current

What are similarities and differences of reflection, refraction, diffraction and absorption?