Documents GUESSING THE TOPIC PICTURE MATCHING 1. SOLAR ENERGY2. AN OIL WELL 3. BIOGAS4. WIND ENERGY 5....

Slide 1 Slide 2 GUESSING THE TOPIC PICTURE MATCHING 1. SOLAR ENERGY2. AN OIL WELL 3. BIOGAS4. WIND ENERGY 5. HYDROELECTRIC POWER Slide 3 12345 1 2 3 4 5 AN OIL WELLSOLAR…