Units used to measure the rate of electron flow

What royal scientist used the 29th day of frozen vapor to encounter elements for mastering new culinary creations?

Large helium-filled balloons are used to lift scientific equipment to high altitudes. what is the pressure inside such a balloon if it starts out at sea level with a temperature of 10.0ºc and rises to an altitude where its volume is twenty times the original volume and its temperature is – 50.0ºc ?

What are the two largest greenhouse gases