What type of first aid will you provide in case of :a)Fracture b)minor cut c)poisoning?

Which is not true about oxygen-17 and oxygen-18?

Debbie places two shopping carts in a cart corral she pushes the first cart which then pushes a second cart what force is being exerted

The magnitude of the magnetic field at a certain distance from a long, straight conductor is represented by b. what is the magnitude of the magnetic field at twice the distance from the conductor? a. at twice the distance, the magnitude of the field is 4b. b. at twice the distance, the magnitude of the field is 2b. c. at twice the distance, the magnitude of the field is b/2.d. at twice the distance, the magnitude of the field is b/4.e. at twice the distance, the magnitude of the field remains equal to b.