Pick out two of the NASA scientistics under "Meet the Marians" and write 3-5 lines about how they are and what they contributed to the mission.

The higher the astm grain size number, the finer the gran is. a)-true b)-false

Manometers are good examples of measuring instruments, nowadays they are not as common as before. a)-capacitive probe gauges b)-gravitational gauges deformation ) gauges d)-digital gauges

Wiy doeres rere okhn a pump whon working betwon the same pressure range?