<span>A network of small vessels and organs known as the LYMPH system carries chemicals throughout the body.</span>
Boron<span> (B), G</span>allium<span> (</span>Ga<span>), I</span>ndium<span> (In), T</span>hallium(Tl<span>)</span>
Explanation:
earth, Mars, Venus, mercury
Answer:
Humans are responsible for the environmental pollution in many ways . Some of the points are as follows :
1 ) People throw the wastes wherever they like instead of using dustbins .
2 ) The various types of gases from the industries which harms the nature .
3 ) Cutting off the trees . ( people can cut but also must plant a new one )
4 ) Farmers using different chemical substances in high amount in the crops .
5 ) Burning plastics , tires etc .
This was my way to answer the question , if you need then you can write in paragraph .
let me know if its incorrect . :-)