About ____ weeks after conception, embryo’s ovaries or testes, have formed although the embryo’s sex is not apparent by ultrasound.?

_____________ is a combustive process in which yeasts interact with the sugars in plants to produce an enzyme that converts the sugar into alcohol

a. distillation b. fermentation c. brewing d. hydrolysis

Who among the following philosophers suggested that at least some types of behaviors are mechanistic and can therefore be scientifically investigated?

A) ?Aristotle B) ?Descartes C) John Locke D) William James