What is an extemporaneous topic

“i didn't know that cheshire cats always grinned; in fact, i didn't know that cats could grin.” “they all can,” said the duchess; “and most of 'em do.” “i don't know of any that do,” alice said very politely, feeling quite to have got into a conversation. “you don't know much,” said the duchess; “and that's a fact.” what is the effect of the short sentences on the dialogue? they make the dialogue smooth and serene. they make the dialogue lively and humorous. they make the dialogue formal and elegant. they make the dialogue into a song.

What are the affects, consequences of drinking and smoking underage? how can the young person then get support on how to stop them from drinking and smoking?

He picture shows a fishing technique called trawling. how might trawling affect marine biodiversity? decrease biodiversity by harvesting everything in its path, so that unwanted fish are unnecessarily killed