Rovers on mars have discovered rounded pebbles and layers of sediment deposits. what conclusion have astronomers reached about conditions on the surface of mars in the past from this evidence?

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.

Acar travels 40m in 8 seconds find the car speed

Two point charges are separated by a certain distance. how does the strength of the electric field produced by the first charge