the answer to your question is POLLUTION
Number 3 is the answer to this.
Answer:
Student 2 is correct!
Explanation:
The Himalayas, which stretch over 2400 km between the Namcha Barwa syntaxis in Tibet and the Nanga Parbat syntaxis in Kashmir, are the result of an ongoing orogeny — the result of a collision of the continental crust of two tectonic plates. This immense mountain range was formed by tectonic forces and sculpted by weathering and erosion.
Amoeba is a unicellular heterotrophs.It has no mouth but engulf food particles by spreading two of its pseudopodia and the food find its way into the food vacoule.The digested food is absorbed by the protoplasm by diffusion.