Answer: 140cm
Explanation:
Radius of curvature r = 2f
Where f is the focal point
f = 70cm, therefore
r =2 x 70 = 140cm
B nitrogen stays in order so it can't change movement
The scientific method is the process that scientists use to answer question about the world.
Explanation:
Wind Currents. currents of the surface waters of oceans and seas resulting from the action of wind on the surface of the water: Wind currents arise owing to the combined influence of the forces of friction, turbulent viscosity, pressure gradient, deflecting force of the earth's rotation, and so on.
Answer:
I think the answer is A
Explanation:
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