Question

Answer Key

Question 1 (Worth 2 points)
(01.02 MC) Christiaan Eijkman shared the Nobel Prize in 1929 for the discovery of vitamins. Eijkman went to Java to isolate the pathogen causing beriberi, an illness that appeared to be contagious as it was common in prisons and among ship crews. Eijkman noticed that chickens fed a diet of white rice also suffered from a similar disorder. When the chickens were fed a diet of red rice, the chickens quickly recovered. What can Eijkman safely infer at this point from his observations?
Diet may be the cause of beriberi, but more research is needed.

Answer 1

Eduardo is narrowing the focus of his science fair project and compiling a list of research questions his project can answer. Which of the following questions can be answered scientifically?

Which brand of sugar-free popsicle melts the fastest?
Which of the following best describes what causes water molecules to exhibit properties such as cohesive and adhesive behavior?

Water molecules are polar, having partially positive and partially negative ends.

In a magazine advertisement, a manufacturer claims its laundry ball, which contains ceramic pellets, gets clothes clean by changing the pH of the water. The ad claims the product reduces wear on their clothing, contaminants in the environment, and the cost of doing laundry. What should the advertisement include to give a consumer more confidence Information about product testing in a study that includes a control group in this product's claims?


for more answers message me


FLVS