Copenhagen is the capital and largest city of Denmark, located on the eastern coast of the island of Zealand. It is a cultural, economic, and governmental hub of Denmark. The city is known for its historical architecture, vibrant cultural scene, and being a center for innovation and sustainability. Copenhagen is also a major port city and a popular destination for tourists.

Using those measurements, the equatorial circumference of Earth is about 24,901 miles (40,075 km). However, from pole to pole — the meridional circumference — Earth is only 24,860 miles (40,008 km) around. Our planet's shape, caused by the flattening at the poles, is called an oblate spheroid.

The world's top environmental conservation award is (D) Golden Panda Award. The Golden Panda Award is presented by the World Wildlife Fund (WWF) and is recognized as one of the most prestigious awards for conservation efforts globally. It is awarded to individuals and organizations for outstanding contributions to the conservation of the world's natural heritage. The other options mentioned (Golden Globe Award, Golden Palms Award, and Golden Bear Award) are associated with achievements in the film industry.

The decayed remains of living organisms in soil are called (B) Humus. Humus is the organic material that forms as a result of the decomposition of plant and animal matter. It is a dark, nutrient-rich component of soil and plays a vital role in soil fertility. Humus improves soil structure, retains moisture, and provides essential nutrients for plant growth. It is a key element in sustaining healthy and productive soils in various ecosystems.

The Mariana Trench, in the Pacific Ocean, is the deepest location on Earth. According to the Exclusive Economic Zone (EEZ), the United States has jurisdiction over the trench and its resources. Scientists use a variety of technologies to overcome the challenges of deep-sea exploration and explore the Trench.

The headquarters of the International Cricket Council (ICC) is located in (B) Dubai, United Arab Emirates. The ICC is the global governing body for the sport of cricket and is responsible for organizing international cricket events, formulating rules, and promoting the game worldwide. The decision to move the headquarters to Dubai was made in 2005, and the ICC officially opened its office in Dubai in 2006.