Ineed with these: 1. tephra is volcanic material that explodes from the volcanic vent. the texture that best describes tephra is pyroclastic vesicular phaneritic 2. what are the three products of volcanic eruptions lava flows, plutonic rock, gas lava flows, pyroclastic debris, gas pyroclastic debris, tephra, bomb ash, lapilli, blocks/bombs 3. which type of cell may be a community of cells? prokaryote cells eukaryote cells 4. what role do gases play in volcanism? forms fissures only makes for mild eruption drives volcanic eruption