Which topic would an astronomer most likely study? the effect of water pollution on a local river
structures that can withstand earthquake damage
a movement of a population of dolphins
the formation and evolution of stars and galaxies

Explain which group an element with the electron configuration 1s2 2s2 2p6 3s2 3p6 3d1 4s2 belongs to.

Margaret wants to make an orange flavored drink by stirring powdered drink mix into a glass of water. she doesn't like drinks that have small clumps of powdered solid in them, so she wants the drink to be a perfect solution. what factors should margaret not consider when deciding how much powder to add to her glass of water?

What must occur for air masses to form fronts