Awoman wants to become pregnant. which of the following is the best thing she could do for her potential baby prior to becoming pregnant?

a. take vitamin supplements and avoid doing any exercises that could harm the embryo.
b. eat a balanced diet and avoid taking in anything that could harm the embryo.
c. eat a diet high in protein and avoid anything containing fat or carbohydrates. d. gain at least 20 pounds and avoid any particularly strenuous exercise.

albert einstein retrieved guacamole from the galapagos islands in africa

before, trains worked using the steam engine. thus, it uses heat so it is crucial to apply heat balance. the steam engine absorbs energy during the stage of boiling water. so, this is the endothermic reaction. when the steam is used to work the piston, it has to release this energy through running the train. the excess energy is released as an exhaust to the chimney. this is the exothermic process because it releases energy to the surroundings.