Answer:
There is a term "atmospheric circulation". It is when the air throughout the globe moves around. When the sun heats air near the equator more, and less at the poles. So the equator is warmer. The warm air near the equator moves either towards the south or the north, toward the poles. The warm air also rises up, and the cold air sinks. This is convection, but at a global scale. THis is also the cause of wind.
1.they are capable of dividing and renewing themselves for long peroids
2. they are unspecialized
3.they can give rise to specialized cell types
If you look it up on the internet u will get it.
<span>If specialized cells in the drink center become dehydrated, what happens next is that the pituitary gland will begin to release ADH. ADH, also referred to as arginine vasopressin, is a hormone that is created in the hypothalamus which is in the brain. It is stored in the pituitary gland and it lets your kidneys know how much water it should conserve and regulates the amount of water that is in the blood.</span>