It will occur on December 21st.
Answer:
The ozone layer is a region of high ozone concentration in the stratosphere, 15 to 35 kilometres above Earth's surface. The ozone layer acts as an invisible shield and protects us from harmful ultraviolet (UV) radiation from the sun.
The correct answer is - C. Colombia.
Colombia has a long tradition in coca production and than illegal trade with cocaine and unfortunately this is what is the country's trademark. Unlike some of the South American countries where it is noticed a drop in coca production, Colombia is actually having an increase in production, and a very significant one, every year in the past 6 years there's more and more plantations with coca and there is more and more cocaine production that ends up illegally all over the world. This process is mainly sponsored and under the wings of the Colombian cartels.
Answer:

Explanation:
Given

Required:
Determine its pressure at 16km
Let the pressure at 16km be x.
So, the rate at 16km is:

Equate both rates

Multiply both sides by 16




Answer:
Alfred Wegener presented numerous observations in his Theory of Continental Drift, some of which are given as under.
Explanation:
- Wegener gave his continental drift theory as the founding stone in the history of the evolution of geologic time of the earth 1912, and suggested that there existed large landmasses on history of earth surface as in the form of Pangea, two major super landmasses, and Laurasia as the northern landmass which led to the formation of North America and Northern continents around the world.
- The southern landmasses consisted of Gondwana and included the southern parts of landmasses like South America, Africa and Antarctica along with Australia.
- The evidence that he gave where in the form of jigsaw fit amount the continents South America and the coastlines of Africa, the finding of same mountain chains and ranges around different parts of the world.
- The presence of various plants and animals like the lemures and glossopteris flora were found in the bottoms of the Atlantic ocean as they tended to move westwards.
- Another evidence he gave was the findings of similar climates around the world that were associated with the movement of plates and also gave importance to the ocean currents and movement of crust under the force of gravity.