Which european country celebrates the first day of summer as an annual public holiday in april?

Air masses are characterized by various properties including temperature humidity air pressure and wind speed. which of the following air masses is associated with low relative humidity and high air temperature ?

Which search pattern would be best suited for a crime scene where many investigators are available to search a large area? a. spiral b. grid c. line d. zone

Hey, i was what is consisted in a sustainable city? like what unique designs they have, etc. for answering ; )