Help me I promise if you answer all of this first and correctly and I get a good grade i will answer all of your question and I'll put you brainliest only if you could answer this first and all of it correctly.

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 of the following is most likely true about water in chemical systems? a) water dissolves nonpolar ionic compounds. b) water dissociates ionic compounds. c) water dissociates covalent molecules. d) water dissolves nonpolar covalent substances.

Structure of the atoms: discovery of the nucleus in 1909i need answering all of these questions