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Category Archives: Science

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Breathing Lab: Discussion Questions/ Answers

ScienceBy William Anderson (Schoolworkhelper Editorial Team)May 2, 20101 Comment

Member 1= 316200mL per day.Member 2 = 280800mL per day.Member 3= 302400mL per day.316200+280800+302400/3=899400/3=299800mLOn average our group takes in 299800mL of air per day. If I had just been working out before the lab then my breathing rate would be faster because my body would require more oxygen to meet my ATP consumption and ensure…

Artificial Sweeteners Analysis Questions

ScienceBy William Anderson (Schoolworkhelper Editorial Team)May 2, 20102 Comments

1) What does positive test mean? A positive test result indicates the present of whatever nutrient is being tested for. 2) What is the purpose of having a control? A control, such as distilled water, provides a basis to compare all results. Distilled water, which has been treated to remove all mineral and proteins, should…

Diagnosing Blood Diseases Analysis Questions

ScienceBy William Anderson (Schoolworkhelper Editorial Team)May 2, 20101 Comment

1) Function of: Red Blood Cell: Carry Haemoglobin White Blood Cell: Defending the body, removing infection Platelets: Blood Clotting 2) 5.5 billion per male/ 4.5 billion per female 3) 7,800,000 per male/ 6,430,000 per female 4) 150,000- 450,000 5) Red Blood Cells, Platelets, White Blood Cells 6) No. 7) This is because they are missing the “Helper T cell” (aka…

Pendulum Physics Lab: Answers & Explanation

ScienceBy William Anderson (Schoolworkhelper Editorial Team)May 1, 20102 Comments

Introduction A pendulum is a mass on the end of a string of negligible mass, which, when initially displaced, will swing back and forth under the influence of gravity over its lowest point. The regular motion of a pendulum can be used for timekeeping. Problem To identify the relationships between the frequency of a simple…

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