1) which of the following is a reason to study chemistry?
a) being able to explain events in the natural world
b)learning how to interpret symbols in fined art
c)learning skills that will you translate languages
d)being able to identify and describe cloud formations

2)which of the following is an advantage of bioplastic?
a)melts at low temperatures
b)made from renewable sources
c)must be composted
d)often made from genetically modified crops

3) which of the following is an example of biotechnology?
a) a petroleum-based lubricant used in farming machinery
b) a driverless, solar-powered automobile
c) a robotic probe on mars that can detect water
d) a mechanical implant that delivers