What is common between all biomass rescources

Prompt compare the three types of volcanic mountains in terms of shape, type of eruption, and the minerals that make up the volcano

I’m stuck on this question cuz i’m stupid sksksksk

On a spring day, a middle-latitude city (about 40? north latitude) has a surface (sea-level) temperature of 10 ? c. if vertical soundings reveal a nearly constant environmental lapse rate of 6.5 ? c per kilometer and a temperature at the tropopause of –55 ? c, what is the height of the tropopause?