<span>When a cell is in a dynamic equilibrium with its environment, this means that the salt/water concentration inside the cell is equal to the salt/water concentration outside the cell. It is called an equilibrium because no transport of molecules is needed since the concentrations are already the same.</span>
Answer: i think it’s natural selection but im not sure
Explanation:
Answer:
a substance produced by a living organism which acts as a catalyst to bring about a specific biochemical reaction.
Because they take place at an atomic level and are unable to be seen by the human eye
D.All of the above.
Paper from softwood/hardwood trees
Resins-from tree barks
Medicinal-some trees have medicinal properties such as Witch Hazel