Green
Why should the plant be de starched before conducting the
vestigation
2 State the...
Biology, 05.05.2021 07:20 issaaamiaaa15
Green
Why should the plant be de starched before conducting the
vestigation
2 State the colour of the pale yellow part after the starch test
3 What can be concluded from this investigation?
Answers: 2
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The image below shows a common blood pressure gauge. what does this device do? a. measures the level of oxygen present in the blood b. measures the pressure of blood when the lungs expand and compress c. measures the electrical activity of the heart d. measures the pressure of blood when the heart contracts and relaxes
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What are the two causes of density in deep current waters? a. salinity (how much salt) of the water and high temperaturesb. salinity (how much salt) of the water and low temperatures c. oxygen content of the water and high temperatures. d. oxygen content of the water and low temperatures
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