The doppler effect indicates that the universe is expanded because
a. light from other galaxies is different colors
b. light from other galaxies are blue shift
c. light from other galaxies are red shift
d. light from other galaxies is the same color

How many electrons does silver have to give up in order to achieve a sido noble gas electron configuration

The following reaction shows the products when sulfuric acid and aluminum hydroxide react. al(oh)3 + h2so4 → al2(so4)3 + h2o the table shows the calculated amounts of reactants and products when the reaction was conducted in a laboratory. sulfuric acid aluminum hydroxide initial amount of reactant 40 g 15 g theoretical yield of water from reactant 14.69 g 10.38 g what is the approximate amount of the leftover reactant? 11.73 g of sulfuric acid 10.33 g of sulfuric acid 11.12 g of aluminum hydroxide 13.67 g of aluminum hydroxide

What term is missing from the central region that describes hypotheses, theories, and laws? popular predictable mathematical falsifiable