A OXYGEN ... almost 99% of mass in the body is made up of oxygen ,hydrogen ,nitrogen calcium,carbon so on
True, Bright-field microscopes are used for most microscopic work.
<span>The
Glossopteridales are the fossils that occur on the most of the landmasses. They
are the extinct group of seed plants. The rapid appearance of this one gives us
more understanding about the Paleobiography, this is the study of animals and
plants distribution through the years.
The appearance of Glossopteridales fossils also helped scientists to study so
much about their species, that includes their seeds, leaves, branches and their
oddly shaped roots. They grew at the beginning of the Permian and started to extinct
at the end of the Permian period.</span>
Your answer !flow directly from the atrium into the ventricle
