<span>So far, astronomers have found more than 500 solar systemsand are discovering new ones every year. Given how many they have found in our own neighborhood of the Milky Way galaxy, scientists estimate that there may be tens of billions of solar systems in our galaxy, perhaps even as many as 100 billion.</span>
Answer:
Britain became a dominant force in America as they took all French colonies. On the other side, debts became a large problem for the Empire, as they had to face the biggest problem with money in history.
Explanation:
Britain won the war, and all the French possessions in North America went into their hands, including Canada. On the other side although Britain once more was seen as one of the leaders as a great force, financial problems led to the decline of power that resulted in the American revolution.
Some of the most typical characteristics of groundwater are weak turbidity, a constant temperature and chemical composition and almost overall absence of oxygen. Circulating groundwater can have extreme variation in the composition with the appearance of pollutants and various contaminants.
Answer: Options (1), (3), (4), (6) and (9)
Explanation: Hot-spots are the region of active volcanisms and this could be due to the presence of large mantle plumes, plate tectonic movement, as well as other reasons.
Hot-spots are generated in the following tectonically active boundaries such as-
- Convergence of two oceanic plates.
- Convergence of an oceanic and continental plate.
- Divergence of two oceanic plates.
- Hotspots within the oceanic and continental plate.