determina las proporciones genotipicas y fenotipicas de la primera y segunda generacion filial de un aplanta de guisantes de semillas lisa y amarilla con una planta de guisantes de semillas rrugosa y verde ayuda por favorr:( tengo que entregarlo pronto

What best explains the inability for life to exist in earth early atmosphere

Drag each tile to the correct box. the body monitors the levels of oxygen in the blood to regulate breathing. isabel is running in a marathon and is near the finish line. she feels out of breath. how will her nervous system work to generate a reaction? arrange the tiles in chronological order. isabel's breathing rate increases. sensory receptors in the arteries detect low oxygen levels. the brain sends signals through motor neurons. sensory neurons generate an impulse. the central nervous system relays an impulse to certain brain regions.

At which point is crust neither created nor destroyed? island chain mid-ocean ridge divergent boundary transform boundary