Which of the following is true about pure substances? A.
A pure substance has the same chemical properties throughout.
B.
All pure substances are unable to be separated by any means.
C.
A pure substance can only be made up of one kind of atom.
D.
A pure substance can always be separated by physical means.

Which excerpt from the land, part 4 best supports the claim that paul is a talented horseback rider? a/“figure that says more than anything else! now, i want to ride that stallion! " b/my daddy shook his head. "paul only rides horses he knows. ” c/? i glanced over at the other rider. the fellow was older than i, and had the weight of a man on him. d/a man out of alabama, man name of ray sutcliffe, told my daddy i was such a good rider, he wanted me to ride some races for him.

If two parents who's blood types are both b produce a child that has blood type o, what can you say about the parent's genotybes? oa) one is ii ob) one is ibi oc) both are bi od) nothing, this is impossible

To sciences do not agree on which type of grocery bag is better for the environment what is most likely to come out come out of the disagreement