How does the earth move within the milky way?

a) the earth, with the rest of the solar system, revolves around the galaxy’s core.

b) the earth, orbits the moon, which moves around the galaxy’s core.

c) the earth does not move in the milky way.

d) the earth wanders through the galaxy.

Which of the following is an example of a non-falsifiable hypothesis? a. there is a teacup orbiting the milky way galaxy. b. there is no life on mars. c. the human species started in africa. d. humans cannot live without the amino acid methionine

The human genome project is devoted to mapping the general dna sequence of our species. this could lead to the development of new medicines, as well as the possibility of using gene therapy to treat certain diseases. however, there are some ethical issues surrounding the mapping of individual genomes. one concern is a) that your genes may change over time, making the project useless. b) that insurance companies could discriminate based on genetic make-up. c) that since this has never been done before, we should probably not do it now. d) that sequencing our individual genomes is so expensive, it is a counter-productive strategy.

Isotopes of the same element have differ in their