Just divid the distance by time
Tumors are bunches of abnormal tissue growth, and they can constrict airways, and block your veins and arteries, causing them to be potentially fatal.
I believe is water so hope it helps
In the southern hemisphere, the tundra includes Antarctica. The arctic tundra in the northern hemisphere includes parts of Russia, Iceland, Canada, Norway, Greenland, and Alaska (state in the US).
