What tools did Giovanni Cassini used?

How do you know if a tick has stem cells? What were the different reactions of the plague? What is the composition of the molisch's reagent? Who believed that every field of knowledge should be studied in a systematic way? What can protist do to you? What are career clusters for a meteorologist? What happens to plates as they move away from the mid ocean ridge? What happens as magma comes to the surface where plates move apart at mid-ocean ridges? Michael mixes two chemicals together in a beaker. The chemicals change color and the beaker heats up quickly. What kind of change most likely occurred? Why are earthquakes and volcanoes are most likely to be found at tectonic-plate boundaries? How do plants store sugar for kids? What does the shoot system include? How far is lyra from earth? How would you find the pressure at the bottom of the Marianes Trench? Pounds to liters? Cause and effect what are three ways that mountains are built? What is the driving force that pushes the root tip through the soil? What is the process when hydrogen nuclei combine with each other to form helium and other heavier elements? Is the voice box on the left side of the throat? What is the charge of a true atom?