Cyanobacteria use water, carbon dioxide, and sunlight to create their food, and expel oxygen as a by-product. The real significance of stromatolites is that they are the earliest fossil evidence of life on Earth. ... They were the first known organisms to photosynthesis and produce free oxygen.
Answer:
On 1 April 2014, NATO unanimously decided to suspend all practical co-operation with the Russian Federation, in response to the Annexation of Crimea, but the NATO-Russia Council (NRC) was not suspended. this why but i dont no why nato is a threat to russia
Explanation:
This posted was created by the Allies to encourage local farmers to plant more food that could be sent to regions recently freed by the Axis powers. There was a major lack of food in many regions of Europe during and after WWII.
The Telegraphy was the first to send coded messages over a wire in a matter of seconds
