The AAMVA Section 8 self-check asks: what two reasons make special care necessary when driving tank vehicles? Which answer matches the manual's explanation?

AAMVA CDL Manual §8.2 (introduction, high center of gravity and liquid movement), §8.2.1 (High Center of Gravity, p.8-8-1), §8.2.2 (Danger of Surge, p.8-8-1/8-8-2), and §8.3.1 (Drive Smoothly, p.8-8-2), which restates both reasons together verbatim: "Beca

This is one of the manual's own self-check questions, flagged as likely exam content. High center of gravity and liquid surge are the two root causes behind nearly every tanker-specific driving rule in this section, from slow curve speeds to smooth braking.