Hi:) anyone able to explain the 5th point - why the vent may become blocked during the formation of stratovolcanoes ?

Thank you!

Which of the following planets is classified as a terrestrial planet? a. neptune b. venus c. saturn d. jupiter

Which of the following can scientists estimate geologic time? a.observing rock sequences b.radiometric dating c.comparing fossils d.all of these

Match the mountains with the type of collision that formed them. a. andes b. aleutians c. north american cordillera d. appalachians 1. continental- continental 2. continental- oceanic 3. oceanic- oceanic 4. arc- continent