Which of these statements about the Ogallala Aquifer is true? A. It has enough water to last 6,000 years.
B. It's beneath the East Coast.
C. It's running out of water.
D. Its water usage is closely regulated.

Arrange the following in the correct sequence, from earliest to most recent, in which these plant traits originated. 1. sporophyte dominance, gametophyte independence 2. sporophyte dominance, gametophyte dependence 3. gametophyte dominance, sporophyte dependence a) 1 → 2 → 3 b) 2 → 3 → 1 c) 2 → 1 → 3 d) 3 → 2 → 1 e) 3 → 1 → 2