2026 Bluebook™ Standardized
Institutional Audit: Feb 2026
Digital SAT Practice Test: Command of Evidence (Set 4)
Experience the precision of the official 2026 Digital SAT mastery engine. This adaptive-style module is verified against national standardized curriculum benchmarks.
Set 4: Command of Evidence (Intermediate)
1 / 10PASSAGEScience
Ocean acidification occurs when seawater absorbs CO2, forming carbonic acid. This lowers pH, making it harder for corals and shellfish to build shells.
1
What is the primary cause of ocean acidification?