1. Explain the difference between genetic, environmental, social, and pathogenic factors. 2. How do pathogens spread?

3. How can we, as humans, prevent transmission of pathogens?

4. List three ways the environment can affect personal health.

Sugar is dissolved in water. which is the solute? sugar neither both water

Sodium nitrite (nano2) reacted with 2−iodooctane to give a mixture of two constitutionally isomeric compounds of molecular formula c8h17no2 in a combined yield of 88%. draw reasonable structures for these two isomers. click the "draw structure" button to launch the drawing utility. place the two compounds in the appropriate boxes below.

What happens to the average kinetic energy of a gas when the particles of the gas collide against each other at a constant temperature and volume? explain your answer.