I NEED HELP ASAPPP Two amounts of the same element, no matter their mass, will have the same density.

True or false?

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.

What does the symbol (–hfus) indicate in a phase change?

How does nathan’s hypothesis lead to new investigations