Brazos River Rio Grande
Davis Mountains
Edwards Plateau
Matagorda Bay
What do the geographical features listed above have in common?

They illustrate the most important geographic landmarks in Texas. NOT TOO SURE.

a. theta waves. this is because the person is in a light sleep which means the brain waves would show these kind of waves.

the triple alliance. germany and austria-hungary were already allies by 1879 when, worried about a threat from russia, they formed the dual alliance. italy joined the group in 1882. there was a concern about a possible attack from france and the alliance needed powerful friends to defend it.