Find out if your local grocery carries genetically modified produce. If it does, find out which produce the store carries which are genetically modified, and do some internet research to find out more about these crop modifications and report your findings here. If your store does not carry genetically modified produce then research what the most common genetic modifications are for produce and report your findings here.

the "power" of a lens is its resolution power, or its ability to distinguish between to closely located points. with the low power lens, it is likely you will see the rough form of the hay and maybe some movement of dots around the hay. however, when observed with the high power lens, the detailed features of the hay become visible and the microbes being grown are more clearly visible.

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straight probes are used primarily for measuring flow as it is approaching the test area. its geometry allows the probe to be mounted so that it is in the direct line of airflow.