As Earth<span> rotates on its axis, it moves about 15 degrees every 60 minutes. After </span>24<span> hours, it has completed a full circle rotation of 360 degrees. The scientists used this information to </span>divide<span> the planet </span>into 24<span> sections or time zones. Each time zone is 15 degrees of longitude wide.</span>
Before having the farm, he was asked to estimate the post - mortem interval of some human remains, and then they indicated because the flesh that was still there they could tell it was a year ago.
It is imperative to use aseptic techniques whe handling microbial cultures because aseptic techniques:
1. reduce contamination of your cultures from enviornment
2. reduce contamination/transfer of bacteria between different culture smears
3. helps to isolate a single microorganism to get a culture smear of
Viruses that only use bacterial cells as host are identified as bacteriophages.
Answer:
I believe the answer is 2
