Why are cimetidine and ranitidine better antacids than sodium hydrogen carbonate or magnesium or aluminium hydroxide?

What antibody class is most abundant in plasma is important in fixing complement and crosses the placenta to provide protection to a newborn? What is persistent Lyme disease? How did people die in the eruption of Vesuvius? What term has the same number of valence electrons? Which situation allow a glacier size to be maintained? What is a good source of calcium with vitamin d? In an Ameba materials are taken from its environment and then moved throughout its cytoplasm. These processes are known as? What word best describes wood? IS protein a monosaccharide or polysaccharide? What is the conclusion of bohr's model? Sediments are deposited in an alluvial fan because? How do you find out valency of mixture or compound? What is the name of the dense fibrous covering around the bound? What is the palmar reflex? What are transuranic elements? Which microbe is peneillin? What are the parts of the circulatory system? What would you see in a liquid when a gas is being formed? What type of media outlet does subway use? What is a meridian on the globe?