Elements in the same group have D. Same number of valence electrons.
Work = force*distance
Work = 670 * 5
Work = 3350 Nm
When winds move air masses, they carry their weather conditions (heat or cold, dry or moist) from the source region to a new region. When the air mass reaches a new region, it might clash with another air mass that has a different temperature and humidity. This can create a severe storm.