Chemistry, 03.02.2021 22:20 cheyenneperuchi
I NEED HELP AS SOON AS POSSIBLE PLEEAAASSE ITS NOT AS BAD AS IT LOOKS I PROMISE ITS PHYSICAL AND CHEMICAL CHANGE
Sara learns from a book that, as fall turns to winter, leaves change color. This happens because as the weather turns colder, the chlorophyll in the leaf breaks down, the green color disappears, and the yellow to orange colors become visible. Sara wants to show her class how the leaves change but it is still springtime. She paints a leaf orange to show how the leaves change color.
How is painting a leaf orange different from the color change that happens during the change of seasons if both result in an orange leaf at the end?
Answers: 2
Chemistry, 21.06.2019 20:30, nxusasmangaliso8780
Which sentence best describes the formation of igneous rock? a- lava on the surface dries up and makes arock b_melted rocks cools and forms crystals c_rocks under tremendous heat and pressure d_magma is melted rock underground
Answers: 1
Chemistry, 22.06.2019 14:00, rosetoheart2
What mass of natural gas (ch4) must you burn to emit 276 kj of heat?
Answers: 2
I NEED HELP AS SOON AS POSSIBLE PLEEAAASSE ITS NOT AS BAD AS IT LOOKS I PROMISE ITS PHYSICAL AND CHE...
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