To calculate percent change:
(difference between original and new)/original * 100
(19-15)/15 * 100 =
4/15 * 100 = 26.7 % increase
Answer:
d
Step-by-step explanation:
the graphical representation of 5% of light and 80% of light is the same so light has no effect on seed growth
(a)7x4=28
2x2=4
28-4=24
24-1=23 points
(b)20/4=7 correct answers
Answer:
To test for protein you would add Biuret(if it changes to purple there is protein is present.
To test for starch you would add Iodine (brown to blue-black means it's present.
To test for simple sugars you would add the chips in a test tube and add Benedict's solution.(if the color changes immediately to blue or orange it is there.
Lastly,to test for fat, put the chips on a brown paper bag and wait for the to evaporate. The grease stain indicates that there is fat present.
Answer:B
Step-by-step explanation:
