Which of the following is not true concerning the impact of volcanoes? a. acid rain can result from volcanic eruptions. b. tephra are a combination of water and rubble. c. damage can continue for years after the initial eruption. d. the volcanic explosion is the pyroclastic flow.

the answer is B. TEPHRA ARE A COMBINATION OF WATER AND RUBBLE.

when it's short and dry.

one is through turgidity. this occurs before ground tissue ( collenchyma

and sclerenchyma cells) become well

developed to give structural support to the plant as it grows bigger. the xylem

tissue (composed of rigid tissue) of the young

plant render this support and also maintaining osmotic turgidity of the surrounding

plant cells.