alternant

"In college admissions, your GPA is a significant determinant of whether you'll be accepted. "

"That sedimentary is made of layers of sand and shells pressed together over time. "

"The children alternated reading aloud from their books in class. "

"The old stone monument was made of sandstone, showing how sand and clay over time formed a rock. "

"The arrangement of chairs in the classroom made it easier for the students to see the teacher. "

"In English, the indefinite articles "a" and "an" are alternants; "a" is used before words starting with a consonant sound, and "an" is used before words starting with a vowel sound. "

"The magician was revealing his trick by showing how the disappearing box worked. "

"Diamond and graphite are both allomorphs of carbon; they share the same element but have different crystal structures and properties. "

"Follow that car!"

"The chessboard was neatly arranged on the table, ready for the evening's game. "

"We would like to go skiing, but it depends on the amount of snow."

"The alternate periods of rain and sunshine made for a very unpredictable afternoon. "