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In her 1962 book Silent Spring, biologist Rachel Carson exposed the dangers of pesticides through a combination of scientific data and poetic prose. Today, Carson ______ considered the catalyst for the modern environmental movement.
π‘ **Choice B is the best answer.
When analyzing the collapse of the Classic Maya civilization, ______ have overlooked the significant role of prolonged drought in destabilizing the agricultural base.
π‘ **Choice D is the best answer.
Artificial intelligence relies heavily on deep learning, a process where algorithms analyze layers of dataβspecifically, the hidden nodes of a neural network ______ to identify complex patterns and features.
An electric vehicle differs mechanically from a combustion engine car. When the accelerator is pressed, energy flows from a battery to a motor ______ generating instant torque without the need for shifting gears.
π‘ **Choice C is the best answer.
In a classic marketing experiment regarding price anchoring, researchers adjusted the subscription options for a magazine. The options provided ______ some users were shown a "web-only" deal, while others saw a "print-and-web" bundle for the same price.
The Impressionist painters rejected the strict rules of the French Academy of Fine Arts. They were not the first artists to paint outdoors ______ earlier Barbizon painters also advocated for en plein air techniques to capture natural light.
Computer science has roots in the nineteenth century. In 1843, the mathematician ______ wrote the first algorithm intended to be processed by a machine.
π‘ **Choice A is the best answer.
Katherine Johnson calculated trajectories for NASAβs Mercury missions. Her role went beyond mere computation ______ as a master of analytic geometry, her manual verification was required before John Glenn would orbit Earth.
As coffee consumption expanded globally, distinct processing methods developed ______ whereas the "washed" process was preferred in Latin America for its clarity, the "natural" process was favored in Ethiopia for its fruitiness.
Artist Alexander Calder is famous for his mobiles, which are kinetic sculptures. His 1960 work consists of balanced metal sheets that move with air currents ______ it floats and turns like leaves in the wind.