🧰 Strengthen your students’ ability to analyze data, model ocean chemistry, and explain environmental change with this AP Environmental Science exam–aligned Ocean Acidification Skills Builder. This focused 50-minute activity targets one of the most challenging topics in APES—connecting CO₂ trends to ocean chemistry and ecosystem impacts. Students graph real-world data, calculate changes, model chemical reactions, and justify claims using quantitative evidence. 🛠️ Skills Builder Focus Inte