Answer:
basically very cold areas
Explanation:
The conference was held near Yalta in Crimea, Soviet Union, within the Livadia, Yusupov, and Vorontsov Palaces. The aim of the conference was to shape a post-war peace that represented not just a collective security order but a plan to give self-determination to the liberated peoples of post-Nazi Europe.
Hope this helps at least a lil bit!! :)
Based on the information I was able to find I would say "Natural gases".
This is due to the reason it is burned to create heat for buildings which are used for several things we do daily such as cooking, heating, and electricity.
The measures less than 435 is 1 to 434