Question
coring.
can a god more often than other batteries
of its size.
23
Based on the passage, what can most reasonably be
inferred about developments in rechargeable
batteries?
A) Rechargeable batteries are decreasingly made
with graphite cathodes because their large
surface area isn't conducive to storing charge.
B) Before the researchers' new battery, carbon was
used in some batteries in a way that limited its
effectiveness.
C) Conventional rechargeable batteries were
initially created to make it possible for large
machines to quickly cycle on and off.
D) The researchers' cathode has potential for
commercial use, but thicker carbon nanotubes
will need to be developed.
Answer
D) The researchers' cathode has potential for commercial use, but thicker carbon nanotubes will need to be developed.