Pyroclastic material includes lava that hardens in the air during eruption. a. True
b. False

What is the earth matial ot igneous rock

Can someone me with this plz? ! i'm putting 20 points on it!

If you were a casual recreational hiker with young children, which of the following trails would be least strenuous for a leisurely family outing? a. merced lake trail b. mirror lake loop trail. c. tenaya lake and tuolumne meadows trail d. el capitan trail