Which microscope did anton van lewin wake used to observe single cell organisms

Hedgerows have created a new ecosystem within britain’s a. farms b. cities c. forests d. industrial areas

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.

Based on the topographic map of mt. st. helens, what is the contour interval of the volcano about height is 2,950 m?