2. You might have noticed that during the summer days, wires
between electrical poles sag more than they do during the
winter. Using knowledge about the kinetic theory of matter,
explain why power lines sag more in the summer than in the
winter.

surface mining destroys mountain tops, landscapes, forests and wildlife habitats. on top of that, it leads to soil erosion and destruction of agricultural land. the landscape changes can also disrupt river channels and streams, which leads to flooding. which, can destroy plant life and other animals as well.

explanation:

this protocol provides a detailed procedure for nucleoprotein extraction from cultured cells and tissues in an efficient manner.