Which scenario is an example of a negative feedback loop?

a.
when body temperature increases, sweat is produced as a cooling agent to lower body temperature.
b.
in some parts of the world, birth rates are far exceeding death rates, which has led to overpopulation.
c.
ice reflects sunlight much better than water. a warmer atmosphere is turning ice to water, which is absorbing more of the sun’s energy.
d.
a warmer atmosphere is leading to warmer oceans. a warm ocean releases more carbon dioxide, which traps more heat in earth’s atmosphere.

Select all the correct answers. lactobacillus is a bacteria that live inside humans. these bacteria live on the nutrients from our bodies. they to keep our gut clean and healthy. s. typhi is a bacteria that enter our bodies through contaminated food. this bacteria causes infections in the body. based on this information, which two statements about the association between these bacteria and humans are true? a. lactobacillus shares a parasitic relationship with humans. b. s .typhi shares a parasitic relationship with humans. c. both lactobacillus and s. typhi share a parasitic relationship with humans. d. both lactobacillus and s. typhi share a mutualistic relationship with humans. e. lactobacillus shares a mutualistic relationship with humans, and s. typhi shares a parasitic relationship multiply chrse

Which of the following types of stars is most likely to end up as a supernova? in graph a, the curve peaks at 800 nm, in the red section of the visible light spectrum. in graph b, the curve peaks at 550 nm, in the green section of the visible light spectrum. in graph c, the curve peaks at 450 nm, in the blue section of the visible light spectrum. in graph d, the curve peaks at 300 nm, in the violet section of the visible light spectrum. a b c d

Moving down the ramp from 6 meters to