Answer:
Explanation:
A magnet has a magnetic field around it which originates at the north pole and enters through the south pole.
In a magnet, like poles will repel each other and unlike poles will attract.
- The north pole of one magnet will repel another north pole of another magnet.
- North pole of one magnet will attract the south pole of another magnet.
- This is the law of attraction and repulsion of magnet.
Answer:
Explanation:
TRISOMY 21 (NONDISJUNCTION)
Prior to or at conception, a pair of 21st chromosomes in either the sperm or the egg fails to separate. As the embryo develops, the extra chromosome is replicated in every cell of the body. This type of Down syndrome, which accounts for 95% of cases, is called trisomy 21.
Your finger becomes negatively charged - d.
Distance=speed times time
speed=5mph=5
time=30mins=30/60hr=1/2hr
so
distance=speed times time
he will run 2.5 miles in 30 mins at the speed of 5mph
