Only 1- the experiment can not show a cause and effect relationship if there are more than one factors contributing to the outcome.
A figure 8 shape is how the blood goes throught the body
Answer:
The correct answer is - sexual transmission.
Explanation:
HIV infections can be transmitted by the various mode. Sexual transmission is one of the major mode of transmission which is comprise almost 90 % of HIV infection, according to the reports. These are relatively inefficient mode, unprotected or unnatural sex is the major mode for the HIV transmission worldwide. Cases are now comparatively less than when it was discovered due to awareness.
Thus, the correct answer is - sexual transmission.
A= cell wall
B= cytoplasm
C= Plasmid
