Answer:
Igneous rocks are formed from cooled magma but metamorphic rocks are formed by temperature and pressure changes inside the Earth
Explanation:
Igneous rock , formed by the cooling of magma (molten rock) inside the Earth or on the surface. ... Metamorphic rocks, formed by temperature and pressure changes inside the Earth. All three types of rock make up the Earth's lithosphere, the outermost layer.
Answer:
North America is a producer of coal, used in energy production; bauxite, used to create aluminum; iron and copper, both used in construction; and nickel, used to create steel. Gold and silver mines operate in the western part of the continent.
Answer:
National flag: blue black and white
National flower : Cornflower (Centaurea cyanus)
National motto of the country: none
Learned behavior
This is because instinct drives them to eat and find food, but they have to learn that a certain feeder is always out and available