Answer:
The answer is that NE injection has inhibitory effects on the paraventricular nucleus VPN.
Explanation:
It can be said that the destruction of the paraventricular nucleus (PVN) would produce a hyperphagia, on the other hand, the injection of norepinephrine (NE) would increase the feeding in the rats. This is because NE injection has inhibitory effects on the paraventricular nucleus. If neuronal activation in the paraventricular nucleus is increased, food intake by rats would be decreased.
Answer:
When plates collide or undergo subduction (that is – ride one over another), the plates tend to buckle and fold, forming mountains. Most of the major continental mountain ranges are associated with thrusting and folding or orogenesis. Examples are the Jura and the Zagros mountains.
Explanation:
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The correct answer is rapids and waterfalls.
Rapids refers to the segments of streams with extensively vigorous currents, various obstacles, and steps in their streambeds. A waterfall refers to a vertical drop in a stream bed. Both are the locations of vigorous erosion.
The rapids are generally produced where the resilient bedrock limits a stream to a narrow channel and forces an enhancement in the velocity of water.
On the other hand, waterfalls are produced where the fast-flowing water negotiates a geologic contact amid the more resilient and less resistant layers of rock, or through a fault, which has analogized distinct kinds of rocks. Or it can be said that waterfalls usually produce at the end of a series of rapids.
