When you pour water into a 25-ml graduated cylinder, a meniscus forms at the top of the water column.

This drawing shows a human body system. what is the primary function of this body system?

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.

How many moles are in 43.9 l of oxygen