Mr. Evans rides his bicycle an average speed of 8 km/hr. How far has he traveled if he rides 4 hours?

What is the mass of sodium in 3 moles of sodium chloride

What is the correct term for living the most sustainable life you can within your current circumstances?

This chart lists four kinds of polymers and their sources. what can be known about all four polymers, despite their differences? they come from living things. they share ionic carbon bonds. they are at least 100 monomers long. they are made of repeating subunits.