The summer solstice is the first day of summer. This day, June 21, is the longest day of the year.
It would be AO and BO this would be the only one with a change of Type O blood the others do not have any chance
Robert Hooke is the first person to observe cells as microscopic structures.
He was of British descent and, fun fact, he discovered cells by looking at a sliver of cork under a microscope lens (although the 'fun fact' is heavily simplified).
