Ancient whale bone tools reveal human innovation 20,000 years ago

©(Alexandre Lefebvre via AP) Vocabulary: I will read the words, meanings, and sample sentences. Then, repeat after me. projectile /pruh-JEK-til/ [noun] – an object that is thrown or fired as a weapon The soldier carried a small projectile for his weapon. archaeological /ahr-kee-uh-LOJ-i-kuhl/ [adjective] – related to the study of ancient objects, buildings, or bones Archaeological studies help us understand how people lived long ago. radiocarbon /rey-dee-oh-KAHR-buhn/ [adjective] – a method using carbon-14 to find the age of ancient objects Radiocarbon testing helped date the wooden statue. underscore /UHN-der-skawr/ [verb] – to show the importance of something; to highlight This discovery underscores how climate change affects wildlife. perspective /per-SPEK-tiv/ [noun]…
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