Which sentence describes an example of a positive feedback loop? A.
Warm-blooded animals sweat when they get too hot. Sweating is a method by which the body cools itself.
B.
A thermostat regulates temperature by turning a furnace or air conditioner on and off.
C.
When blood flows from a mild cut, blood clots form to prevent excessive bleeding.
D.
As oceans get hotter, they release more CO2, which then increases atmospheric and ocean temperatures.

4. discuss additional factors that some planets have that affect their seasons. 5. what fact about other planet’s seasons most surprised you and what did you find the most interesting? why?

Salmonella typhimurium is a food-borne bacterial pathogen that can cause severe gastrointestinal disease. salmonella is often phagocytosed by macrophages that normally destroy bacterial pathogens, but this bacterium is somehow able to prevent the complete maturation of phagolysosomes. salmonella is able to tolerate the low ph of phagolysosomes, and in fact responds to the drop in ph by secreting toxins that interfere with other cellular responses. which of the following differences would you expect to contribute to the survival of a bacterium within an salmonella-containing phagosome, compared to a healthy phagolysosome? decreased activity of acid hydrolases increased activity of acid hydrolases decreased import of h+ ions increased import of h+ ions my guess is decreased activity of acid hydrolases but i'm not sure.

Which represents a negative impact of technology