Which of the following factors could contribute to climate change? select all that apply a)variation in earths orbit b)earths reflectivity c)solar flares d)ocean circulation e)plate tectonics

This is the amino acid cysteine. circle the amine group, put a box aroundthe carboxylic acid group and use a different colored pencil/pen to circle the sidechain (r group). h o | ||nh2— c- c-oh | ch2 | sh

Which of the following types of pollution is most responsible for large numbers of deaths worldwide because of unsafe drinking water? (a) nutrient pollution (b) thermal pollution (c) pathogen pollution (d) sediment pollution

Wich is not standing in the way of astronomers getting a good view of different star