Why is the amount of gas in magma important in relation to volcanic eruption? What chemical and physical characteristics of magma are most important whether the magma erupts explosively or
non explosively.

physical properties is that they solidify to form other features like mandara crater located mount Kilimanjaro and chemical properties is that they contain minerals which support grow up of plants example areas of mount Kilimanjaro

the answer is crop rotation

reflecting point a across the origin negates both of its coordinates.

b = (5, -4)