AYUDAAA PORFA 1. Si una persona está deshidratada ¿porque su frecuencia cardiaca (pulso) se aumenta?
a. porqué está mal entrenado
b. por la falta de agua
c. porque al estar deshidratado su sangre es más espesa y por eso el corazón debe latir más veces
d. todas las anteriores

chert is a sedimentary rock composed of microcrystalline or cryptocrystalline silica. with this little bit of information, you can come to the conclusion that your answer is c.  

explanation:

photosynthesis makes the glucose that is used in cellular respiration to make atp. the glucose is then turned back into carbon dioxide, which is used in photosynthesis. while water is broken down to form oxygen during photosynthesis, in cellular respiration oxygen is combined with hydrogen to form water.