Answer:
D
Explanation:
If NASA had constructed a Space Shuttle without knowing if it would be safe for its passengers, there could be many casualties. So they would test it beforehand using a model, to make sure that it will be safe and sturdy for when they build it.
The region is usually called the Indian Subcontinent.
It is false that the new oceanic crust is created at the mid-ocean ridges, then the Earth is getting bigger.
Answer: Option B
<u>Explanation:</u>
Amid ocean ridge is a range of the mountain has been formed under the water and a crust is been developed at these ridges through out. Because of the plates moving away from each other, the crust is developed, the lithosphere becomes a little cool but this does not change the size of the earth, neither does it increase nor does it decrease.
The top ten largest countries, in square kilometers
False
that was the pact between Stalin and Hitler
