Why do you think sustainable development has only recently been proposed as a goal for society?

Sustainable development is a current trend through which economic development is sought without compromising the environment or natural resources, both in the present and in the future. This concept began to be developed today, since the concept of scarcity of essential natural resources, especially water, oil and certain minerals, which are in an advanced stage of scarcity, is recent.

yes we can.   a lady urinates from her urethra.

i believe it's c. the trait for large beaks will be passed on to future generations through natural selection.

since eventually smaller beaks would have to find another source of food or even eventually just die out from the lack of food.