Hi, can someone me with spanish homework?

1. Yo he puesto la mesa

2. Tú has lavado los platos

3. Mis hermanos han echo las camas

4. Mi hermanita ha barrido el piso

5. Nosotros hemos abierto las ventanas

hope this helps :)

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.