After a lifetime of smoking and poor diet colin developed abnormal hardening of the walls of his arteries this condition is called

The right answer is arteriosclerosis.

Arteriosclerosis is a form of sclerosis that occurs in the arteries. In other words, it means that it is characterized by hardening, thickening and loss of elasticity of the artery walls.

Arteriosclerosis is often defined as an age-related natural phenomenon with normal thickening of the artery wall.

Nevertheless, numerous studies have also shown that this hardening of the wall can be accelerated by certain cardiovascular disorders.

the answer is c, the development of reading and writing in young children

because health skills are tools and strategies and also practical skills are also something you need to learn (like tools and strategies) and put it in reality.