Researchers identify earliest cave handprints on Sulawesi Island
©(Ahdi Agus Oktaviana/Maxime Aubert via AP) Vocabulary: I will read the words, meanings, and sample sentences. Then, repeat after me. limestone /LAHYM-stohn/ [noun] – a type of rock formed from sea materials The old building was made from limestone blocks near the river. sophisticated /suh-FIS-ti-key-tid/ [adjective] – having advanced design or careful planning The machine uses a sophisticated system to save energy. significant /sig-NIF-i-kuhnt/ [adjective] – important or having a strong effect The test results had a significant effect on the final decision. exploration /ek-spluh-REY-shuhn/ [noun] – the act of searching a place to learn more about it Space exploration helps scientists learn more about the universe. comprehensive /kom-pri-HEN-siv/ [adjective]…
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