Answer:
correct option is B. Primer residue
Explanation:
correct answer is Primer residue because primer residue are form from the ignition of the chemicals in primer when the firearm is discharge
and the result in formation of microscopic particle that is blown out of various opening in weapon when this weapon is discharge
and this primer residue is deposit on hand as firing weapon and hand weapon
but in the absence of primer residue on hand it is consistent with individual not have fire
so correct option is B. Primer residue
Answer:
dumping wastes everywhere
using chemical fertilizer
polluting the rivers
shifting cultivation
cutting down of trees
The 4th place should b right
Answer:
The high growth of population in Terai region is because of migration from mountain and hill , growth of the population in the Terai region itself and immigration from outside i.e. from other neighbouring countries