What was Ana Clark's notable achievement in the field of environmental science? (Advanced)
#1: Discovery of new biodegradable materials
#2: Development of a sustainable urban farming model
#3: Pioneering research in renewable energy sources
#4: Creating the world's first eco-friendly packaging
What is Ana Clark known for in her contributions to renewable energy? (Hard)
#1: Developing the first solar-powered car
#2: Creating a biodegradable battery
#3: Discovering new wind turbine technology
#4: Innovating wave energy converters