Which types of currents are caused by wind on the Earth's surface? deep-water currents surface currents

Milk production during breastfeeding is increased by the suckling of a newborn from his mother's nipple. this type of feedback mechanism best describes a positive or negative

Up to what percentage of the world's flora consisted of cycads during the triassic period? 100% 75% 50% 20%

Which is a function of the central nervous system