Rocks and the record of a landscape
Rocks are natural materials made from minerals, fragments, or other geological constituents. They form much of the solid ground beneath soil, water, and vegetation. A rock can look uniform at first glance while containing grains, layers, or structures that reveal a more complicated history. Differences in these features help explain why rocks respond differently to […]
Whales: Giants of the Ocean
Whales: Giants of the Ocean Whales are among the largest and most remarkable animals on Earth. These marine mammals live in oceans around the world, from warm tropical waters to the cold seas surrounding the poles. Life Beneath the Surface Although whales spend their lives in water, they breathe air through blowholes located on top […]
