Which of these is an example of acceleration? a bicyclist turning around a corner
O a car traveling south with its cruise control set
a bus traveling north at 25m/s
a helicopter waiting to take off

d) the number of neutrons plus the number of protons

gans

explanation:

vestigial organs (like your appendix) are organs that no longer serve a purpose.

radiation warms things up temp rises convection currents air circ windy weather

c because the action was the roller coaster reaches bottom of hill (action) reaction would be blood tends to drain away from head

hope this !