Complex sentence: They form a ridge along the San Francisco Peninsula, south of San Francisco, separating the Pacific Ocean from San Francisco Bay and the Santa Clara Valley, and continuing south to the central coast, bordering Monterey Bay and ending at the Salinas Valley.
Split into simpler sentences: They form a ridge down the San Francisco Peninsula, south of San Francisco. They separate the Pacific Ocean from the San Francisco Bay and the Santa Clara Valley, and continue south to the Central Coast, bordering theMonterey Bay and ending at the Salinas Valley.