2. in a sample of silver, 51.84% of the atoms have a mass of 106.905 amu and 48.16% have a
mass of 108.905 amu. what is the atomic mass of silver?

answer: grassland biomes are closer to the equator and receive more rain.

grasslands are biomes that are dominated by grasses rather shrubs and trees. savanna are biomes that exhibit grasses, shrubs and small tree as vegetation. grasslands are located near the equator of the earth. these are found in north america. savanna biomes are found in africa, south america, australia and india. grassland exhibit moderate climatic conditions, it receives   amount of rainfall higher than savanna.   therefore, savanna exhibit dry and hot climatic conditions.

geologic time scale (for gradpoint) =)