Oncology is the study of cancer, so the doctors are called oncologists
Axial Tilt and Sun Energy
This axial tilt means that during the Earth's journey around the sun the poles receive varying amounts of sunlight. The equator, however, receives relatively consistent sunlight all year. The consistency of energy means the equator's temperature stays relatively constant all year.
A. because as the merry-go-round spins the child accelerates towards the center of the merry-go-round at a uniform rate.