Answer:
152.4 km each side of these ocean basins spread during the past 1 million years.
Explanation:
- The mid Atlantic ridge is spreading at a very fast rate and its due to the spreading of lavas on the either side of the oceanic plate it continues to expand, the ocean spread at a speed of 3-6 inches in a year and thus the axis to the beginning of the yellowish polarity.
1. Mars has a thin athmosphere
2. Its red colour is dues to a big number of iron oxide
3. It has two moons
4. Olympus Mons, a volcano on Mars is also the largest volcano in the solar system
5. Mars is visible from Earth with a naked eye
6. It has around half the diameter of earth
7. Mars is less dense than Earth