1. Why should scientists focus on feeding the world?

We'll likely have two billion more mouths to feed by mid-century—more than nine ... of scientists who confronted this simple question: How can the world double the ... The world can now turn its attention to increasing yields on less productive ... given their newfound prosperity, we can first focus on countries that already ...

Explanation:

the difference between an explicit and implicit meaning is that the explicit meaning of a poem is that the detail is exactly defined. nothing is left to interpretation. an implicit meaning is an implied meaning. kabir's poetry is both explicit and implicit in that it can be interpreted on different levels. the explicit meaning leaves nothing to interpretation while the implicit meaning leaves lots open to interpretation. an example of this is found in the poem "rumi and the spiritual lover". 

. a function is a relation in which each input has only one output. in the relation , y is a function of x, because for each input x (1, 2, 3, or 0), there is only one output y. x is not a function of y, because the input y = 3 has multiple outputs: x = 1 and x = 2.