Answer:
Lizzie is upset because Turner is standing on the beach she is used to having to herself
Step-by-step explanation:
The following is an excerpt from the novel Lizzie Bright and the Buckminster Boy. Gary D. Schmidt authored it. And, according to this excerpt from the novel, how the supplied environment contributed to Lizzie's internal turmoil is that Lizzie was angry seeing Turner standing on the beach that she is used to having to herself. She was furious because she felt he was urging her to move on.