Which of the following is an example of maintaining homeostasis? 1. Learning
2. Playing
3. Frowning
4. Sweating

What causes temperature extremes in the desert

Blood has traveled from the heart to the toes. which describes the next step of the circulation process?

How does deforestation affect the water cycle? a. it increases the amount of runoff b.it increases the amount of percolation c. it increases the amount of transpiration d. it increases the amount of precipitationa it increases the amount of runoff