The answer is a) manganese nodules
P waves is moved by compressing and expanding.
S waves is form perpendicular angle when they pass.
The more northern the more colder the more towards the middle of the earth you are the warmer it is. Either it's ice or water.
True because Steadily and alarmingly, humans have been depleting Earth's soil resources faster than the nutrients can be replenished
You need physical map to check the amazon river
