I am pretty sure that the layer in figure 4-1 which forms the cap rock for the oil trap is the layer F that shows an example of stratigraphic traps that includes unconformity, lens, pinch-out in which you can see how t<span>he oil is stuck inside the porosity of the rocks.
Do hope you will find it helpful! Regards.</span>
Sun and water mostly for a cycle of photosynthesis
Leptin is a chemical messenger which is secreted by fat cells that act as an appetite suppressant.
Leptin is a hormone of energy expenditure. It is made of adipose cells and helps to regulate energy balance by way of inhibiting hunger.
Both hormones they act as receptors in the arcuate nucleus of the hypothalamus. When someone is obesity, the sensitivity to leptin decreases.
