Watch the animation and identify the correct conditions for forming a hydrogen bond.
a) hydrogen bonding occurs when a hydrogen atom is covalently bonded to an n, o, or f atom.
b) a hydrogen bond is possible with only certain hydrogen-containing compounds.
c) the ch4 molecule exhibits hydrogen bonding.
d) a hydrogen atom acquires a partial positive charge when it is covalently bonded to an f atom.
e) a hydrogen bond is equivalent to a covalent bond.

answers: to make sure that all of the broken pieces of tablet were added to the water, to allow for fair comparison of all three trials, with different particle sizes to avoid experimental error

girl imma just put my comment here because i need a couple point okurrttt

answer: any goods being imported from another country may be subject to issued by the federal government are tariffs

explanation:  

tariffs are a tax on anything that are imported from abroad. government use them to protect and boost their local industries and the thought is that they encourage consumers to buy local instead of importing and they will hope will protect jobs and economy in the country that implements them