Which statement 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 become warmer they release more co2, which then increases atmospheric and ocean temperatures.

Read this passage from elie wiesel's 1999 speech "the perils ofindifference": the depressing tale of the st. louis is a case in point. sixtyyears ago, its human cargo - nearly 1,000 jews - wasturned back to nazi germany. and that happened after thekristallnacht, after the first state sponsored pogrom, withhundreds of jewish shops destroyed, synagogues burned, thousands of people put in concentration camps. and thatship, which was already in the shores of the united states, was sent back. what rhetorical strategy is wiesel using in the passage?

You are a scientist who has been sent on a special mission to study plants and animals in south asia! your destination is an important forest in eastern india. you need to travel to 17°n latitude and 83°e longitude. which star should you travel to?

Which of the following is defined as combinations of soil particles that vary in size and shape?