Professor tan studies water quality in streams near chemical plants. Which type of qualitative data that professor tan should record in his studies

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

What is hydroelectric power produced by?

Aboy jumps into a cold swimming pool and his body tempature goes down hus muscles ,blood vessels