The most important differences between a transmission electron microscope and a scanning electron microscope are: Rather than the broad static beam used in TEM, the SEM beam is focused to a fine point and scans line by line over the sample surface in a rectangular raster pattern
question answered by
(jacemorris04)
Organic compounds are used as building blocks for. Answer : Organic compounds are compounds that contain Carbon, C and contain Hydrogen, H as well. ... This leaves us with choice 4, indeed, proteins, starches and fats are organic compounds.
Allegedly, <span>the finger tips show where the wind blew when our ancestors were created. In a way, their fingertips are roots to their ancestors, so touching them somehow links them to their ancestors. And as you probably know, the Navajo are very much connected to their ancestors, and tribes in general. </span>
note:
Gymnosperms possess several key evolutionary innovations compared to earlier groups such as the clubmosses and ferns. They produce sperm-containing pollen, which is carried through the air by the wind to the female. This innovation has freed these plants from the need for water for sexual reproduction.
