Gravity holds these planets in space. Without gravity everything would collapse and the world would end as we know it.
There is a Baja peninsula in Mexico!
The answer is I. 25 meters.
Answer is (3) Knowledge of astronomy was used by
<span>Muslims to fulfill religious obligations.</span>
4) Polaris
Stars emit light with energy generated by nuclear fusion, think of the Sun as an example. Polaris is a star, it's the brightest star in the little bear constellation, and therefore the correct answer.
