Antibiotic resistance is a consequence of evolution via natural selection. The antibiotic action is an environmental pressure; those bacteria which have a mutation allowing them to survive will live on to reproduce. They will then pass this trait to their offspring, which will be a fully resistant generation.
I is answer. Don't open link. It is most likeky unsafe.
Answer:
The first and 2nd pictures basically capture what they look like.
Coastal areas experience two high and two low tides every 24 hours and 50 minutes because the earth rotates through two tidal bulges every day. High tides occur 12 hours and 25 minutes apart.