True that is what a convection current is
Answer: A and C (i took the test)
Explanation: Hope this helps:)
If it takes

seconds to reach the car, then the distance

is

.
The bear's distance from the tourist's starting point is

For maximum

, we set the equations equal to each other:



so the distance is
The answer would be "mechanical". Hope I helped. :)
Answer:
Nulo
Explanation:
Se o numero que aumenta for o mesmo que diminui, se torna nulo, pois nenhum passa a vencer o outro.