A scientific arguement does not a. begin with a question
b. have a claim that proposes an answer to this question
c. provide opinions without evidence
d. clearly explain how the evidence supports the claim

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.

Acompound is isolated from the rind of lemons that is found to be 88.14% carbon and 11.86% hydrogen by mass how many grams of c and h?

Johnny's bakery has 30,900 grams of sugar. a recipe calls for 32 pounds of sugar to be used. how much sugar will be left over? (1 lb=453.59 g).