So that the pressure will be at constant. If the water level will have raised up in the graduated tube directly above the water level in the burets and levelling funnels, the pressure on the trapped gas is no longer at usual atmospheric pressure. It produces a tapping effect on the locked in gas therefore dropping the pressure. If the burets and levelling funnels will be dropped below water level the reverse effect is produced.
I dont get what you mean?
B} Vector Method
Mitosis is the Asexual Division of Cells So it is not a Right Answer
Surgery" It is not Possible because we can not see D.N.A. without Special Gadgets
Spontaneous Joining is Also a Wrong Answer But I can't tell you Reason So Sorry
Vector Method is the Right Answer Because By Placing DNA Template into Bacteria{Vector} Plasmid , or Virus{Weak or Almost Dead} DNA And Send It to Targeted Cell
Answer: Carbon spends the least amount of time in living things and the atmosphere.
The organism that has all the adaptations listed above is C. polar bear.