the chemicals in cigarette smokers are known to cause cancer propose a series of steps that could lead to the development of lung cancer in a smoker

Cell deterioration

Explanation:

Once the cells first come in contact, they immediately create a cell shield that is composed of weaker cells, while the rest continue their work, the problem with this, is that their is a lack of cells to do work and the weaker cells are slowly dying and creating holes for the harmful chemicals to enter, as the cells deteriorate they clot together and create a lump in a final attempt, and it ends up creating deadly weight in the lungs.

hello there,

igneous rock formed from below the surface would have more crystals because

answer: because magma cools more slowly than lava

littering streams           is the answer