1 Subjects: “...United States-Mexico border...”

2 Subjects: “...phenotypic states...”

3 Subjects: “...solid state reactions...”

4 Subjects: “...state-of-charge...”

5 Subjects: “...ancestral state reconstruction...”

6 Subjects: “...operating state...”

7 Subjects: “...photostationary state of phytochrome (PSS)...”

8 Subjects: “...surface state...”

9 Subjects: “...state transitions...”

10 Subjects: “...state transitions...”

11 Subjects: “...state transitions...”