Choose the best ¿aprendes tú el espanol? question 1 options: sí, la aprendes. sí, aprendo lo. sí, lo aprendo. sí, te aprendo.

what sentences? what words?

when the outside temperature is too cold, an endothermic animal can generate heat by shivering. endothermic animals must eat much more often than ectothermic animals since it takes energy to maintain a constant body temperature.