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Chemistry, 21.02.2021 14:00 mashcroft2002
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F
ive Courses Science / Science Grade 8 / sc-gr8cf-tamara / Feb 21. Feb 25 / Check What You Know How Traits Change 8F
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A scientist is studying changes in the genetic material that affect the traits of an individual. In which part of the cell must
the scientist focus her studies?
Select one:
a. Nucleus
b. Cell membrane
C. Cytoplasm
d. Cell wall
Answers: 3
Chemistry, 21.06.2019 20:50
Which real-world scenarios below represent physical and chemical changes? -running a car -exploding fireworks -mixing water and powdered drink mix -combining oil and vinegar to make salad dressing -taking aspirin for a headache -diluting bleach with water-digesting dinner-spreading peanut butter on bread
Answers: 2
Chemistry, 22.06.2019 08:00
Joe shines white light into a bowl half full of water at an angle of incident of 27.5°. calculate the angle of refraction in the water given the indices of refraction for air and water are 1.00 and 1.36, respectively.
Answers: 2
Chemistry, 22.06.2019 10:50
How many grams of oxygen gas are contained in a 15 l sample at 1.02 atm and 28°c? show your work.
Answers: 1
Chemistry, 22.06.2019 10:50
Determine the empirical formula for succinic acid that is composed of 40.60% carbon, 5.18% hydrogen, and 54.22% oxygen.
Answers: 1
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