Answer in3 to 4 lines for each diagram​

The bike could symbolize using alternative transportation to reduce our carbon footprint, which would help the air quality

The Hands could show a hand catching a droplet of water from what could be a faucet and symbolizes somebody "catching the drop". Meaning to manage water usage and consumption

lizards have adapted to life in the desert. some desert lizards have toes with spiny scales to them run across the sand without sinking. some use the sand to hide from predators, or to search for small animals that they prey upon.