After looking at the diagram of organism, the sequence that will best represent the food chain within this particular food web is sedges-ants-frogs-kookaburras. So the correct answer choice will be number 2.
The answers B we're using them faster than they can form
PH meter, which is a device used to measure hydrogen-ion activity in the solution. A PH meter is a voltmeter stuck to a pH electrode and a reference electrode. -maclittleseed