The United States and Canada make up about how much of the global energy demand?

When volcanoes erupt, magma (hot, molten rock) rises toward the surface of the earth. as magma cools, solid rock forms. this rock contains substances from the interior of the earth. which of the following natural resources is likely to be plentiful near subduction zones where volcanic activity has occurred in the past?

What processes does carbon cycle through the biosphere?

Which is a trait of a index fossil ?