At what age should sexually active women start getting screenings for chlamydia and cervical cancer?

Beliefs in possession or demonology persisted until the rise of the natural sciences in the

______. a. 15th century c. 18th century b. 16th century d. 19th century

A collection of photoreceptors organized in such a way that a light excites the photoreceptors in the middle but inhibits photoreceptors toward the outside is also known as a(n) ___________

a. basic receptive field c. center-surround receptive field b. excitatory receptive field d. complex receptive field