Question 17 braiding and cutting hair are both examples of physical changes. true false 2 points question 18 if you were to take several random samples from a mixture of salt and sand, the samples would: be identical no matter where in the mixture they were taken from be identical as long as the samples were taken at the same time be identical as long as the samples were the same size not be identical

Imagine that you’re getting ready to move to a new city. when people move, they are influenced by push factors and pull factors, and you have many reasons for your move. which of the following factors is an example of a pull factor? a. wanting to move because you’ve found a great new school somewhere new b. needing to move because there are not enough resources in your old hometown c. being forced to move because your old home is gone d. having to move because there are no jobs in your current hometown

If 90.0 grams of ethane reacted with excess chlorine,how many grams of dicarbon hexachloride would form

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.