Ineed answer !

with which element will sodium form an ionic bond? *

a) magnesium
b) fluorine
c) calcium
d) copper

The answer for #3 is c but i don't know why

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

What are four significant sources of ghgs that come from wostem washington?