Evaluating a Model Desiré was investigating a chemical reaction. When she heated it up, she found that sulfuric acid (H2SO4) changed into water (H2O). She made the following atomic-scale model to show what she thinks happened.

Do you think this is an accurate model of what happened during the chemical reaction? Explain your answer. Describe why the model is either accurate or inaccurate.

What type of weather does tropical continental air bring in summer? hot and cloudy cool and sunny hot and sunny cool and cloudy

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

Me.henley said, “in the rat race we call life, only the strong will survive.” he may have been referring to