Hich of the following is true regarding the average atomic mass of an element?

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

According to the tide table below what time of day will the highest tide occur? (2 pt) the highest tide will occur at

How many grams of magnesium metal will react completely with 8.3 liters of 5.5m hcl? show all work