Who many continent do we have in the whole world?

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?

Identify the type of weathering seen in each picture ? chemical weathering mechanical weathering

Geographers most often use this type of map to study the characteristics of regions such as population and naturalresources because blank spaces are put into the map to prevent distortion.feelperfet