The Electron Microscopy or EM was used to study Viruses. The EM came out a little while after the microscope was created.
Hope this helps!
Answer:
A
Explanation:
The two strongest bonds are ionic and covalent, but generally, ionic is viewed as the stronger bond because of the ion-ion force that occurs within the bond. It does depend on other factors though.
Meiosis. But more specifically: Anaphase I.
Falling pressure indicates the mass of the atmosphere above a point is decreasing, which can happen as the result of various atmospheric processes. In general, weather systems with low pressure at their centers (called cyclones) are associated with unsettled weather (clouds and precipitation) and strong winds. So, I’m guess cold and wet air mass.