Hydrolysis is where you use electricity to separate hydrogen and oxygen ions.
Condensation is where water vapor sticks to a surface and condenses to form liquid water.
Answer:
Due to environmental conditions.
Explanation:
With the passage of time, environmental conditions change which causes the evolution of of four legged land animals from fish like creature. This change occurs due to change in environment. In water, there is no need for legs because fish moves with the help of fins and tail but the organisms that lives on land has legs in order to move from one place to another so we can say that change in the physical structure of organism occurs due to environment.
Answer:
they are in the correct order
Explanation:
conduct an experiment
observe
make conclusions