Constellations show that Earth’s position is always . A.100-150 B. 1,000-1,500 C.10,000-15,000 D.100,000-150,000

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.

Which statement best describes what happens when molecular compounds melt

What is the value of the standard enthalpy of formation of an element in its most stable form?