Answer:
I Think this
directly provide leaf cells with the water involved in photosynthesis
Explanation:
Answer:
Ecological and ethological approaches to the study of behaviour. The natural history approach of Darwin and his predecessors gradually evolved into the twin sciences of animal ecology, the study of the interactions between an animal and its environment, and ethology, the biological study of animal behaviour.
I believe those are both non-contact forces bc it's not something physical