Compare and contrast the processes of evaporation and freezing. What are their similarities and differences? (endothermic process) (exothermic process)

If the mass of the products measured 120g what would the mass of the reactants a. 30g b. 60g c. 120g d. 240g

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.

Apush or pull that moves or changes and object when to objects touch