suppose you need to build a raft to cross a fast moving river. Describe the physical and chemical properties of the raft that would be important to ensure your safety.

What is the theoretical yield of carbon dioxide? a)0.993 gb)2.98 gc)3.65 gd)8.93 g

Word equation for k(s) +h2o(l) yield koh (aq) + h2

Animals that reproduce sexually either do it through external or internal fertilization. read the following statement and decide if it is true or false. birds reproduce through external reproduction which is because the female will then be able to protect the egg.