Physics, 11.02.2021 14:00 hjxnee4925
A plant is placed in sunlight. The plant has one leaf marked A and one leaf marked B. Leaf A is covered with aluminum foil but leaf B is not. After five days, both leaves are removed from the plant. The amount of starch present in leaf A is compared to the amount of starch in leaf B. Which hypothesis is being tested in this investigation?Answer options with 4 optionsA. Food production in plants depends on the absorbtion of light by leaves. B.Food production in plants depends on the availability of oxygen and minerals. C.Food production in plants depends on the availability of carbon dioxide to leaves. D.Food production in plants depends on the level of water in the pot sensed by leaves.
Answers: 1
Physics, 21.06.2019 21:30
Aparticle with mass 1.81×10−3 kg and a charge of 1.22×10−8 c has, at a given instant, a velocity v⃗ =(3.00×104m/s)j^. what are the magnitude and direction of the particle’s acceleration produced by a uniform magnetic field b⃗ =(1.63t)i^+(0.980t)j^?
Answers: 2
Physics, 21.06.2019 22:00
The midpoints? a, b, and c are marked on the histogram. match them to the indicated scores. which? scores, if? any, would be considered? unusual?
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Physics, 22.06.2019 01:00
An object is 10 cm from the mirror, its height is 1 cm and the focal length is 5 cm. what is the image height? (indicate the object orientation by including the + or - sign with the answer.) hi = cm +1 -1 +10 -10
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Physics, 22.06.2019 05:30
Which of the choices below is one of the primary gases found in the atmosphere? a. helium b. carbon dioxide c. nitrogen d. argon
Answers: 2
A plant is placed in sunlight. The plant has one leaf marked A and one leaf marked B. Leaf A is cove...
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