What are the two types of modern wind turbines?
a. horizontal-axis turbines and steam source wind turbines
b. vibrating and twirling wind turbines
c. solar powered wind turbines and vertical axis turbines
d. hawt and vawt wind turbines

there is no universally accepted definition of art. although commonly used to describe something of beauty, or a skill which produces an aesthetic result, there is no clear line in principle between (say) a unique piece of handmade sculpture, and a mass-produced but visually attractive item. we might say that art requires thought - some kind of creative impulse - but this raises more questions: for example, how much thought is required? if someone flings paint at a canvas, hoping by this action to create a work of art, does the result automatically constitute art?

answer inspecting packets in isolation from their context;