Answer:
En 1953 determinó con exactitud la edad de la Tierra en 4.550 millones de años, con un margen de error de unos 70 millones de años.
Explanation:
A meter or metre is the base unit of length in the International System of Units. It’s basically a measurement/unit
The cretaceous-tertiary mass extinction was apparently caused by a meteorite that struck Yucatan Peninsule in Mexico
The capital of Meghalaya, Shillong lies on the eastern part of the state. Perched at an altitude of 1,520 meters (4,990 feet) above sea level, the city stretches for about 6 km on an elevated tract.
I believe it's globular and open are the main types.