The brundtland report defined sustainable development as "development which meets the needs of the current generation without compromising the ability of future generations to meet their own needs."
a. true.
b. false.

True

Explanation:

Indeed "development which meets the needs of the current generation without compromising the ability of future generations to meet their own needs" is termed as a sustainable development as stated by brundtland because the sole aim of sustainable development is to meet the needs of today and that of tomorrow (future), if development compromises the the need of future could not be considers sustainable.

True

In sustainable development resources are used/allocated in such a way that they fulfill the demand of present as well as future generations.

changeable lenses of different focal lengths allows light to enter the camera,which then forms the image on light-sensitive film;

i believe the correct answer is: must sculpture be beautiful to be considered art?

the aesthetics represents the exploring of beauty and taste of nature in art, with the creation and appreciation of beauty. having that in mind, i believe the appropriate aesthetic question you could ask about gianlorenzo bernini’s sculpture david is “must sculpture be beautiful to be considered art? ”.