Sarah backstrokes at an average speed of 8 meters per second, how long will it take her to complete the race of 200 meters length?

his research revealed two genetically different groups of prokaryotes, which justified splitting kingdom monera into two kingdoms. the genetic and cellular differences were so great, that these two kingdoms were eventually placed into different domains in the current three-domain system.

the glands which are associated with each description is given below:

the titanic would be the correct answer

1. is geographic distribution

2 is increasing complexity

3 is transitional forms