Complete the following sentence. By planting rose bushes and dwarf fruit trees for clematis vines to climb on and planting low-growing, shade-loving plants and bulbs like begonias in the shadows
below larger plants, the gardener is using natural plant
to provide support and various growing niches for specialized plants in a
mixed garden based on companion planting.

The energy needs of a human population are not affected by

1. emigration the movement of people from one place to another 2. immigration a situation in which resources are being used up at a faster rate than they can be replenished 3. migration the leaving of one's homeland to settle in a new place 4. overpopulation the movement of people to a new country 5. sustainable development a situation in which the birth rate is not sufficient to replace the existing population 6. underpopulation the ability to meet current needs without reducing the ability to meet future needs 7. unsustainable development the increase in the population of a city 8. urbanization a situation in which the number of people exceeds the available natural resources in an area

In "the man in the water," what was the remarkable occurrence that rosenblatt reported?