Biology, 30.07.2019 19:40, katiemaley19
The leaves of some trees change colors in the autumn. this is because chlorophyll is and degraded; carotenoids and other pigments are still present in the leaves degraded; the degraded chlorophyll changes into many other colors incerased; sugars are sent to most of the cells of the leaves increased; water supply to the leaves has been reduced
Answers: 1
Biology, 21.06.2019 13:00, alisharodriguez1
Why might surface mining be less risky for miners than underground mining? a. surface miners can become trapped in a collapsed mine. b. surface miners work in dusty, enclosed areas. c. surface miners work aboveground. d. surface miners use elevators to enter mines.
Answers: 2
Biology, 22.06.2019 05:30, tiffanybrown703
Identify the composition of oceanic and continental crystal rocks. in a model of earth’s interior, where would these rocks appear?
Answers: 2
Biology, 22.06.2019 10:00, AM28
Ivan is looking at a cross section of a stem taken from a vascular plant. he sees two different types of vascular tissue: the xylem, which is closer to the center of the stem, and the phloem, located around the xylem, closer to the outside of the stem. how do these two structures work together in a living plant?
Answers: 2
Biology, 22.06.2019 15:30, magicalforlife
Slow down transpiration by the stomata question 9 options: a guard cells; closing b chloroplasts; closing c guard cells; opening d chloroplasts; opening
Answers: 1
The leaves of some trees change colors in the autumn. this is because chlorophyll is and degraded;...
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