When john first bought his new house, he could mow the yard in the morning and then go for a run in the afternoon. john, who is now in his late fifties, finds that mowing the yard completely wipes him out for the day. john is experiencing a decline in his reserve capacity. reserve stamina. reserve capability. reserve oxygen supply?

In people, the phrase reserve capacity can be characterized as the overabundance limit, or reserves, over that required for typical working, as in completing exercises of day by day living. Numerous frameworks of the body have reserve capacity. Such reserves are vital for the body's frameworks to make suitable acclimations to typical vacillations and unforeseen increments in load, to react to crises, and to go about as safety nets.

this statement is true.

forests are public goods, available for everybody. when usage of such a good becomes interesting for consumers and its usage increases, there can be a risk of overexploitation. it is a non rival good therefore, if one person consumes the good it does not reduce the availability for subsequent consumers.

these caracteristics require the establishment of measures in order to prevent the destruction of a commonly owned space, for example, to restrict the amount of people that have access to the same time.