The parallel line is: 2x - 4y = 40 or x - 2y = 20. [same as: y = (1/2)x - 10]
Volcanoes are not randomly distributed over the Earth's surface. Most are concentrated on the edges of continents, along island chains, or beneath the sea forming long mountain ranges.
The right answer is B. ☻♥
Boat, Fishing Equipment(spear), and irrigation
