the grey tube is used for culture and sensitivity
A culture dish is used to grow many types of bacteria and various other microscope living organisms
Streak plating and picking a single colony for the culturing in a broth.
Alsalam alkom There is a difference between the two term (lawn culture and streak culture), if you used a loop for making new culture from primary culture you called that streaking method (like ABC streaking method), while if you used swab and streaked almost all the plate then, you can say (lawn culture).. In conclusion to the above 1- streaking is used to purify the bacterial culture (i.e to make well isolated colony) 2- lawn culture is used for antibiotic sensitivity tests Ali Maki .
they used an atlatl
Aztecs used the atlatl
an atlatl is a native american weapon used to plaugh there spauses.
The bow and arrow originates from the Atlatl, (en.wikipedia.org/wiki/Atlatl) the first mechanical projectile weapon.
an atl atl was a poop machine
the Ancient Myans
The mound builders most likely had the bow and arrow, a mace (a club), and the atlatl. A atlatl was a speared that was accompanied with a tool (atlatl) to leverage the spear for more power and ultimately distance.
it was develeped during the paleo period.