Answer:
They may place a sterility indicator with special dye to detect the growth of endospores.
Explanation:
A sterility indicator should be placed inside and in the center of the item that will be autoclaved, if the indicator changes colors that means that the endospores were not killed with the sterilization process and the bacteria survived the high temperatures of the autoclave.
It is false that to study Earth’s interior, geologists often rely on indirect methods, such as evidence from fossils. They rely on seismic waves and such.
Explanation:
No, they use seismic waves.A seismic wave is an elastic wave caused by an pressure such as an earthquake or an explosion. Seismic waves may travel either along or near the earth's surface (Rayleigh and Love waves) or by the earth's interior (P and S waves).
Adults spend about 20% of their time asleep in rem sleep. Hope this helped, have a great day! :D