15 ! i will mark brains! i need asap dont guess and dont use this just for points i need right answers only

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.

When electrolyzing copper (ll) chloride, what reaction takes place at the anode? what reaction takes place at the cathode?

Amap that uses a range of colors and shading to represent the elevation, depth, or landscape of specific features on earth is a/an map.