Answer:
On the basis of the temperature data he collected from different weather stations set up by the Tsar, Humboldt constructed the first world map of average temperature in which he used lines to connect points of equal temperature, called isotherms
Explanation:
This just a little search on Wikipedia it might help you
Answer: dolomite rock that becomes soluble over time
Explanation: ageing infrastructure that combined with volatile climate that are major causes of the appearance of the sinkholes
Answer:
eclipse help in the past by telling how the climate will be and in our understanding it shows how the planet rotate for it to come and meet each others ( and sun )
hope I tried to answer the qn
The answer is D. 1.3 billion
