Lucas left a metal bowl and a wooden bowl outside overnight. the next morning, he picked up
the bowls to bring them inside. he noticed that the metal bowl felt much cooler than the wooden
bowl. his father explained that both bowls were actually the same temperature. which statement
best describes why the metal bowl felt cooler even though the bowls were the same
temperature?
a. metal transfers heat away from the skin by conduction, creating the sensation of coolness.
b. wood transfers heat away from the skin by convection, creating the sensation of warmth.
c wood transfers heat to the skin by radiation, creating the sensation of warmth.
d. metal removes moisture from the skin by absorption, creating the sensation of coolness,

. west

bacteria that live on the ocean floor are sustained by phytoplankton. phytoplankton, microscopic marine photosynthetic organisms, have a vastly significant role to play not only in the marine food web of which they’re part of, but also on a more global scale. despite their infinitely small size in comparison to other marine organisms, these tiny creatures occupy an immensely important ecological niche: they are the foundation of the marine food web, and as primary producers, play key roles in supporting all other organisms in the marine environment, as well as in the regulation of the earth’s climate through the sequestration of carbon, oxygen production, and other related processes. phytoplankton account for roughly half of all global primary productivity; therefore, their significance extends far beyond the marine environment alone. there is an intriguing sense of irony in the realization that these tiny living beings that often live out their existence unnoticed and undetected by the rest of the world, have such a far-reaching impact on the lives of virtually all other living organisms on the planet, particularly on those in the marine environment. the world that we have become accustomed to has been and is continuously shaped by the workings of these miniscule yet vital “plants of the sea”.

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