Which activity is NOT part of the hydrosphere? A. rain falling from clouds
B. fish swimming in a pond
C. waves pounding a sandy shore
D. a stream tumbling over large rocks

Abanana plant produces rhizomes, which are involved in

When does the circulatory system work with the respiratory system? a. during blood cell formation b. during cellular respiration c. during intestinal digestion d. during a viral infection

What are the ingredients of oobleck?