QUESTION: answer this: what types of elements are involved in covalent bonding??

ANS: electron
input: What is the answer to this question? what soccer team beat brazil in the 1998 fifa world cup final?

output: France
In: who is the song jar of hearts about??

Out: an ex-boyfriend
Please answer this: who is the starting quarterback for san francisco?

Brian Hoyer
Q: Answer this question:

during the neolithic age the population was able to grow because??

A: agriculture and settlement
QUESTION: answer this: where does the umbilical vein enter the circulation of the fetus??

ANS:
the portal vein