Is it normal to use half my lung capcity for daily breathing?

1. fold your hands together so your thumbs cross over ,and look at your thumbs. which thumb feels most "comfortable" on top is actually controlled by a gene. the left thumb folding over the right thumb is a domi

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?

How does the burning of fossil fuels increase the greenhouse effect? by decreasing the absorption capacity of greenhouse gases by decreasing incoming solar radiation by releasing carbon dioxide into the atmosphere