Then we would not currently be here.
Answer:
A year long drought and the amount of total precipitation
Possibly a waterfall but it depends of the environment
Answer:
1. A tundra is a type of biome where the tree growth is hindered by low temperatures and short growing seasons.
2. A savanna or savannah is a mixed woodland-grassland ecosystem characterised by the trees being sufficiently widely spaced so that the canopy does not close.
3. An estuary is a partially enclosed coastal body of brackish water with one or more rivers or streams flowing into it, and with a free connection to the open sea.
Answer:
D. the original dynamo (power plant)
Explanation:
Edison once more combined inventions of other inventors (the steam engine, improved by James Watt and the rotary generator by Michael Faraday) to create the first dynamo, that was installed in a New York City power station in 1882.
That invention spread like fire across the US, with over a thousand installations within 8 years, to revolutionize the methods of delivering power.