The regulatory centers for the respiratory and circulatory systems are found in the cerebrum
Industry
Cars
Fuel burning
Use of chlorofluorocarbons
it is not because trees do not grow fast enough
Answer:
a celestial body that (a) is in orbit around the Sun, (b) has sufficient mass for its self-gravity to overcome rigid body forces so that it assumes a hydrostatic equilibrium (nearly round) shape,2 (c) has not cleared the neighbourhood around its orbit, and (d) is not a satellite.