Which of the following do NOT describe an element? 1. A mixture of different chemicals
2. Represented by a symbol that contains one uppercase letter
3. Represented by a symbol that can contain a second uppercase
letter
4. Represented by a symbol that can contain a lower case letter
5. A pure substance
6. Can be identified using the periodic table

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.

Categorize each term as something that is typical of a scientific theory, a scientific hypothesis, or both. makes predictions

There are multiple lines of evidence that provide support for common ancestry and evolution. write 3-4 paragraphs describing at least three of them in detail. provide at least one example for each line of evidence.