1. britain is separated from the continent by a) he english channel b) the suez canal c) the gulf of mexico 2. ben nevis is a) the longest river b) the highest mountain c) the deepest lake 3. the longest rivers of the usa a) mississippi, missouri b) missouri, colorado c) mississippi, colorado 4. the highest mountain of the us is a) mount washington, new hampshire b) mount mckinley, alaska c) cadillac mountain, maine 5. the largest state in the us is a) alaska b) california c) vermont