It should be a. Once fossil fuels are used we can not use them anymore.
White with black stripes.
Explanation:
Well maybe because like cows do, some adventure off by themselves, and with younger cows they may forget where to head back. And if you think about it that leads to older cows which leads to new cow groups in different areas. Just like dinosaurs may have done.. Just a maybe
Barley. Grains remain an important part of the Russian economy.
