Which term means "surgical creation of a new opening to the
outside from the windpipe"?
A laryngectomy
B. tracheotomy
D. tracheostomy

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?

Are the earth's ocean floor and continents the same age geologically? why or why not?

Me with these questions image attached