How did stanley miller’s experiment in 1953 influence scientific thinking about the origin of life?
a.
it proved that the atmosphere of the early earth contained ammonia and methane.
b.
it proved that organisms could evolve by the process of natural selection.
c.
it showed that the chemicals of life could form in the conditions found on the early earth.
d.
it showed that radiometric dating could be used to accurately determine the age of fossils.

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.

How does human environment effect the biosphere

Amino acids contain the elements carbon, hydrogen, oxygen, nitrogen, and sometimes sulfur. of the 20 amino acids found in humans, 11 are called "nonessential" because they can be manufactured by the body when needed. which elements in these 11 amino acids are commonly obtained from the metabolism of sugar molecules?