You will see that the leaves of an under-watered marijuana plants are firm and curling down because there is a lot of water to hold in its leaves. The leaves appear healthy but bent. The firmness of the leaves can be observed by touching it. The over-watered marijuana plant has a weak, bendy, and unhealthy leaves.
A compass needle's north point has to be attracted to the end of the Earth which it would on the actual Earth, and as the compass needle has north at the North end, that end is attracted to a south magnetic pole. (The capitalisation convention on this page is that geographical things have initial letter capitals (eg.
William Gilbert was the first person who studied the movement of compass needles and correctly concluded that Earth was a magnetic planet with its magnetic poles corresponding to its geographic North...