Answer:
The suns average density is greater than water's.
Density (avg) of the sun: 1.4 g/cm
Density of H20: 1.0 g/cm
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Answer:
A, B, C
Explanation:
One is a channel, one is a carrier, the other is simple
Platelet aggregation and accumulation in response to injury is an example of positive feedback. Negative feedback brings a system back to its level of normal functioning. Adjustments of blood pressure, metabolism, and body temperature are all negative feedback.
The control of blood sugar (glucose) by insulin is a good example of a negative feedback mechanism. When blood sugar rises, receptors in the body sense a change. In turn, the control center (pancreas) secretes insulin into the blood effectively lowering blood sugar levels.
Examples of processes that utilize negative feedback loops include homeostatic systems, such as: Thermoregulation (if body temperature changes, mechanisms are induced to restore normal levels) Blood sugar regulation (insulin lowers blood glucose when levels are high ; glucagon raises blood glucose when levels are low)
Answer16: False
Comments: The organic amendments (manure, bio-solid, wood ash, compost grass clipping etc.) improve the physical, chemical and biological properties of the soil. It also supplies the essential nutrients needed for plant growth. It can also support the beneficial bacterial growth in the soil but not enhance the growth of harmful microorganisms (bacteria and fungi) in the soil.
