<u>Answer</u>: B. Basic needs, such as food and water, will be scarce.
As the population increases, the resources necessary to feed the additional persons will also increase. However, basic resources such as food and water are not unlimited. Some countries have more and some less.
Thus, the amount of available drinking water will decrease as well as the available farmland. Due to more mouths to feed, food insecurity will increase as it is uncertain if it is possible to adequately feed the new population.
As an ammonia molecule, I begin in the blood stream. I pass through the heart and down the aortic trunk to the renal artery and into the kidney. Once there, I begin in the renal cortex where I find a renal corpuscle. I am absorbed by the renal corpuscle by specific gravity and descend around the nephron loop. I ascend the other side and am sent to a collecting duct. This collecting duct takes me to a papillary duct and into one of the minor calyces. This minor calyx feeds me into a major calyx, along the renal pelvis where I combine with other compounds, such as water, ions, acids, drugs, and toxins to form urea. We are sent through the hilum and down into the ureter. The ureter takes us to the bladder where we wait for urination. As we exit the bladder and are combined with creatinine and uric acid, we become collectively known as urine and are sent down the urethra to exit the body.
A warm fronts move from the south to the north
<u>Explanation</u>:
A warm front are formed when a warm mass of air is pushed into a cold air mass. Since the warm air mass at surface rises above the cold mass of air they often causes stormy weathers. Also due the difficulty of warm air in pushing the cold dense air across the surface of the earth make the warm fronts to move slower when compared to cold fronts. Unstable air produces thunderstorms around the warm fronts. solid red line with red, filled-in semicircles is used to represent a warm front on the map.
