How do magnetic stripes show the history of earths magnetic field?

Why does sweden and norway have steep roofs

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?

Based on current rates the earths human population is expected to grow how much by 2050