Guys I am about to poop what do I do

What is the main causes of gray hairs and balding? write your answer in 2 paragraphs

You have weighed the likely outcomes of your decision to move in with your dad and have made a decision based on those outcomes what is an example of

Astructural difference between the trachea and esophagus that prevents the trachea from collapsing is the presence of: a) smooth muscle b) skeletal muscle c) respiratory cilia d) rings of cartilage