Which statement best explains why carbon is present in so many kinds of molecules?
a. it can become iron
b. it has valance electrons
c. it can form four covalent bonds
d. it is abundant on earth

Which is not a nation of southeast asia? .

How does the supremacy clause of the u. s. constitution affect the states? o a. it requires each state to establish a supreme court. b. it declares that the federal government can take away state powers if necessary. o c. it allows state governments to overthrow the federal government if necessary. o d. it ensures that the u. s. constitution overrules each state constitution

Who intended to write an epic poem 12 books long