Is dypepsia a type of indigestion or not

Which of the following elements would you expect to have the lowest ionization energy value? fluorine, lithium, neon, nitrogen

The grooves or folds of the brain are called

Which set of characteristics best describes igneous rock? a) largest type of rock, made of organic matter, hardest type of rock b) least abundant type of rock, made of other rocks, made mostly of minerals c) found on all continents, contains wavy bands of stripes, contains fossils d) most abundant type in earth's crust, made of magma/lava, contains no fossils