Draw an arrow between two points on earth that used to be connected

Which format should he use to present his data?

Nasa scientists must work together to make sure that everything is correct and accounted for when launching a shuttle. besides a physicist, what other type of scientist would be in making sure that the shuttle has the appropriate type and amount of fuel to reach its destination?

If jane has the blood type ab and marries john who has type o blood what are the possible phenotypes of their first kid?