the test
tube must be swirled at a steady rate to facilitate the liberation of CO2 gas from the
solution
The reaction vessel should be submerged in the water bath as far as possible to keep the
entire contents at the temperature of the water bath. There is a valve attached to the rubber stopper that should be open
while attaching the assembly to the test tube, and then closed just before the start of data collection
Answer:
Contrary to myth, bats aren't blind. In fact, research shows that depending on the circumstances, bats sometimes prefer using eyesight to sound when hunting. And many fruit bats, which drink nectar rather than hunt insects, don't echolocate at all. These species have particularly sharp vision,...
Explanation:
Answer:
hi, this is the answer of your question
the cells that line your stomach can renew as fast as every two days, because they in contact with digestive acid.
Answer:
a) and b) All the 12 plates taken by the food controller for the analysis are test plates in light of the fact that the food inspector is trying distinctive spinach from 10 unique bundles and do try different things with every one of the 12 plates.
C) and D).only #11 plate is a negative control since he utilized the spinach which isn't cleaned. so microorganisms can develop on that pate because they have the positive condition to develop themselves.
e) and f). all #1 - #10 and #12 plates are positive control plates since he swipes all the plates and spinach that can be the reason for the development of microbes so there is an excess of fewer opportunities to the defiling of spinach and he is playing it safe.
The moon has phases because of where the sun shines on it. Only yhe part wiyh light of the moon is visible. As the moon moves, the sun light hits is at different angles and creates the different shapes we call phases.
