A solid has definite volume and shape, a liquid has a definite volume but no definite shape, and a gas has neither a definite volume nor shape.
I think observation and measurable.
Process of cellular respiration.
Abiotic features are not living. they may play a role in helping biotic creatures live, but them theirselves do not live.
Answer:
grass
Explanation:
grass produces the main source of energy for the food chain
