A water wheel is a machine for changing the energy of flowing water into mechanical energy which can be used to power tools.
1 answer:
You might be interested in
Answer:
the questionnaire is incomplete, the options are attached to the graph
correct answer c
Paine's experiment was performed when exrtaer the starfish that was considered a negative predator by feeding on a local mussel, what was expected is that by eliminating the starfish it proliferates but its consequence was that it began to displace other species When the mussels became a predator due to the alteration of the ecosystem, the balance was removed and now the species cannot coexist.
