What is Mexico's role in the USMCA?

Which type of seismic waves are confined at the surface

Ascientist is explaining how background cosmic radiation gives evidence of the big bang theory. she says that radiation has been detected everywhere equally as heat in the universe and is increasing. this has been shown to be residual radiation from the big bang. what error did the scientist make?

Explain how earths tilt and revolution around the sun affects weather and climate