In 1907, dr. duncan macdougall performed a series of experiments in which he attempted to measure the weight of the soul as it left a dying person. in his experiments, macdougall placed a dying person on a scale and measured their weight immediately prior to and following death. macdougall determined the change in weight to be approximately 21 grams. from these experiments, he concluded that the soul exists and has mass. what is the fundamental scientific flaw in his conclusions?

Tara sees a commercial for a brand of pills that promise to boost energy and people perform better in work and school. as people in the commercial talk about how much better they feel when taking the pill, tara notices a message on the bottom of the screen that reads, "this pill is not approved by doctors and has not been tested in controlled experiments." what is the best conclusion that tara should make about the commercial? it is making scientific claims based on subjective observations. it is making scientific claims based on opinions instead of pseudoscientific facts. it is making pseudoscientific claims based on objective observations. it is making pseudoscientific claims based on opinions instead of scientific facts.

14. which of the following codons code for threonine? a. ucg b. ugu c. cga d. aca

Everything that surrounds a particular organism