Answer:

2. True

3. False

Explanation:

2. Pyroclastic rocks may be a range of clast sizes, from the largest agglomerates, to very fine ashes and tuffs. Pyroclasts of different sizes are classified as volcanic bombs, lapilli, and volcanic ash. Ash is considered to be pyroclastic because it is a fine dust made up of volcanic rock.

3. The median length of time for a single eruption is seven weeks.

Hope it helps.

#CarryOnLearning