Which of the following best explains the factors that led to the dust bowl? a. humans had been farming the land for too long without droughts. b. temperatures suddenly increased and brought on drought conditions. c. poor farming techniques that killed the soil were combined with drought. d. humans employed bad soil management practices that were unsustainable. answer is c. poor farming techniques that killed the soil were combined with drought.

What is an animal that lives by preying on other animals

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.

About how much of the cell mass is watet