A student walks 20 m north, 10 m south, and 3 m north. In order to have a displacement of 0 m, the student should walk m toward the .

I believe it is 13 m towards the origin position, or just 13 m south.

Interphaseinterphase

Plants take energy from the sunlight with the of chlorophyll so the plant starts the food chain. then an herbivore eats the plant and gets its energy.then a carnivore or a human eats the herbivore and gets its energy. : )