Answer:
Ideas such as eugenics and cloning.
Explanation:
This are controversial because would be tried in humans and would open up not only many moral and ethical debates but also in it's aplications, which cases, at which people, how, etc.
Answer:
a. This year's sample is larger than last year's sample.
Explanation:
a. This year's sample is larger than last year's sample.
Thoreau, who believed this poll tax supported the Mexican-American war and the expansion of slavery into the Southwest, had stopped paying this tax in 1842 but the sheriff, Sam Staples, failed to take action against him for several years.
Answer:B
Explanation:Pioneer species are hardy species that are barren due to fire so pioneer species has to occur first,then soil formation before plant growth.If the soil does not reform ,there is no way plant growth can occur.