Why is Earth’s inner core solid and its outer core liquid ?

What maintain homeostasis when a persons internal body temperature is 97.5°f

Grasses--> mice--> cats--> coyotes suppose 10,000 units of energy are available at the level of the grasses. what is the total number of energy units lost by the time energy reaches the coyote?

Fill in the blank with the correct sphere label. a: ⇒ geosphere b: ⇒ biosphere c: ⇒ hydrosphere