Answer:
276 days
Explanation:
1/4 th of the original means <u><em>2 half lives</em></u>
1 half life = 138 days
So,
2 half lives = 276 days
Answer:
The downwind side of an obstacle such as a ridge. The addition of weight on top of a snowpack, usually from precipitation, wind drifting, or a person. An avalanche that releases from a point and spreads downhill collecting more snow - different from a slab avalanche. Also called a point-release or sluff.
Explanation:
The direction of magnetic field lines get reversed as the direction of magnetic field lines is from north pole to south pole
Answer:
5m
Explanation:
because if the driver jamed the brakes at 20m and stop at 15m the it took the driver 5m to fully stop
