Do you know the answer to the riddle set by others about the future of the human race? the clue is all over the world!

What is the relationship between the supreme court and the lower courts? the supreme court must abide by the decisions of the lower courts. the supreme court appoints judges to the lower courts. the supreme court can overrule decisions made by the lower courts the supreme court can impeach judges from the lower courts.

What was the historic border between the united states and mexico?

What major land feature is located at 0* and 20* e? a sahara desert b kalahara desert c congo basin d the alps