What is the equation of the horizontal line passing through the point (-5, 2)?

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?

Heyi am new to are you all americans? ( just want to know , i don't mean any offence ) ?

The graph below plots the temperature and luminosity of stars on the main sequence.