any specific behavior | the emission of water vapor from the leaves of plants |
the trait of being active; moving or acting rapidly and energetically | the passage of gases through fine tubes because of differences in pressure or temperature |
an organic process that takes place in the body | the process of giving off or exhaling water vapor through the skin or mucous membranes |
a process existing in or produced by nature (rather than by the intent of human beings) | |
the state of being active | |
(chemistry) the capacity of a substance to take part in a chemical reaction | |