specks

"My sister is a biologist studying the effects of pollution on local river ecosystems. "

"The common good of the school is ensured by a strong parent-teacher association. "

"My sister is very helpful, especially when it comes to organizing things. "

"The current economic states are causing many people to worry about job security. "

"She gave a studied reply."

"He listened carefully to his mother's concerns, feeling sorrowful about her disappointment. "

"Her distinctive laugh, a high-pitched giggle, could be heard across the entire playground. "

"The scientist studied the tiny particle of dust. "

"I hope this song can unite people from all different cultures."

"The eastern part of the park has the best views of the sunrise. "

"My favorite weekend activity is swimming. "

"The teacher graded the test, leaving red markings where answers were incorrect. "