Answer:
Options (3), (4) and (5)
Explanation:
The geographic north and south poles refers to the two geographical location/points, where the earth's axis spins. And the magnetic north and south poles refers to the direction towards which a compass needle points.
The geographic north pole and the magnetic south pole of earth is the same, and two bar magnets where one having the north pole and the other having the south pole can attract each other. Similar poles of two bar magnets cannot attract one another, whereas they repel.
Thus, the correct answers are options (3), (4) and (5).
<u>ANSWER:</u>
The answer is A. If the structure of a building is built with earthquake-resistant materials, it does not affect the amount of destruction caused by earthquake vibrations.
<u>EXPLANATION:</u>
- Especially in the countries that are prone to an earthquake, houses and building should be carefully planned and built in order to withstand an earthquake.
- The bricks should be held in place with the right mortar. Also, the base of the building should be made stronger rather than the top floors.
- Steel-framed buildings and good pillared buildings also tend to survive powerful quakes and vibrations.
Answer:
Tundra ecosystems are treeless regions found in the Arctic and on the tops of mountains, where the climate is cold and windy
Explanation:
