If there was more than one planet on each orbit, eventually they would collide with each other.
Venus: almost no surface winds, sulfuric acid clouds, runaway greenhouse effect.
Earth: atmosphere composed primarily of nitrogen and ultraviolet-absorbing stratosphere
Mars: extremely low-density atmosphere, global dust storms.
Answer:
The answer is:
The works, though corroded, give insight into the Gupta's culture.
Explanation:
Gupta culture´s works are more than 2,000 years old.
Researchers have developed a program that measures how many planet earths are needed to provide the resources humanity is using. this ecological yardstick is called ecological footprint
The Global Footprint Network promotes the ecological footprint as a way to assess how much nature is needed to sustain a given number of people or an economy. Through an ecological accounting system, it monitors this demand. The accounts compare the biologically productive areas used by people for consumption to the biologically productive areas available in a region or around the world (biocapacity, the productive area that can regenerate what people demand from nature).
Learn more about Ecology here:
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Answer:
They have a shared economy.
They allow easy migration
