When two or more elements bond together in specific proportions is formed

You should consider using floor dry compounds or hydrophobic mops if a spill is bigger than what can be wiped up with shop rags. a) one b) two c) three d) four

Ahumid tropical climate brings rain in the summer and drier weather in the winter to the malay archipelago.

Aresearcher conducts a focus group to learn about attitudes towards hygiene and disease prevention. two weeks after the focus group, the researcher learns one of the subjects had a heart attack at home and was hospitalized, but made a full recovery. based on dhs regulations, the researcher report this event to the irb? no, this does not need to be reported since the subject had the heart attack when they were home, not at the focus group.no, this does not need to be reported since it is unrelated to participation in the study.no, this does not need to be reported because two weeks have passed.no, this does not need to be reported since the subject recovered.