Which is the most direct cause of tides on Earth? A. the tilt of Earth's poles B. the magnetic field of Earth c. the Moon's gravitational pull on Earth O D. the revolution of Earth around the Sun O E. the slope of the land near Earth's shorelines.

Which statement describes covalent bases? they have hydroxide ions. they produce hydrogen ions. they are often amines. they are named the same as ionic compounds.

One does not belong why? ice, gold ,wood ,diamond and table salt

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