Anna found a bone while working on an excavation. She identified it as a dinosaur bone. What event had to happen for this fossilized bone to exist? A. The dinosaur’s soft tissues were replaced with stone. B. The dinosaur’s body was exposed to the air for a long time. C. The dinosaur’s body was submerged in seawater for a long time. ASAP

What kind of bond is created by the attraction between atomic particles of opposite charge? ionic bond hydrogen bond covalent bond nuclear bond

Explain the significance of thesaurus geographicus

Group control group #1 experimental group yes yes yes control group #2 no new drug orange juice bed rest no yes no yes ves which of the following is the best explanation of why a second control group was included in this experiment? o a. to provide the volunteers in the study with something to drink o b. to prove that the common cold cannot be cured c. to confuse anyone who is trying to steal their new drug and sell it as their own invention o d. to researchers conclude that results are related to the new drug and not to the orange juice submit e previous