How have vaccines prevented the spread of measles, mumps, polio, tetanus, and hepatitis B?

Which of these is most likely to happen if parallax measurements of star distances are taken after a gap of six months? the results would be accurate the results would be inconsistent the results would not be valid the results would not be repeated

Drag each tile to the correct box. arrange the layers and faults from oldest to youngest.

The combining form leuk/o means red true or false