If a water wave completes one cycle in 2 seconds, what is the period of the wave?
O A.
0.5 seconds
OB
4 seconds
4 seconds
O C.
2 seconds
D.
0.2 seconds

What is the earliest point in the universe that we can observe? why can’t we see back further than this?

What is special about a dc circuit ?

Marcella is a four-year-old girl who is a victim of emotional child abuse. based on the child and family services improvement and innovation act of 2011, which action should the government take for marcella? a. the state should arrest marcella’s abuser. b. the state should find a home for marcella as soon as possible. c. the state should enforce stricter laws in the area where marcella resides. d. the state should provide medical assistance to marcella.