Disease causing bacteria commonly found in poultry is called . A.

Amoeba

B.

Salmonella

C.

Fungus

D.

E coli

The boy of mass 30 kg is at r1= 2 meters from the fulcrum. of the girl is 45 kg, at what r2 must she sit so that they are balanced ?

Imagine that someone pushes one marble toward a motionless marble. would there still be action-reaction forces involved in the collision? how might the marbles’ motions be changed? ?

Smallest intensity of a stimulus that you can detect 50 percent of the time is