Atoms can be the source of both nuclear and chemical energy. Nuclear energy involves the atom's nucleus; chemical energy involves the atom's electrons—subatomic particles that surround the nucleus.
large iguanas are affected by el nino temperatures
because algae do not grow as rapidly with el nino temperatures
survival rates for the larger iguanas drop
if they are bigger than 36 centimeters
the drop happens beginning with sizes around 40 centimeters
