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Mutualisms, such as those that occur among plants and pollinators, generally involve large numbers o
A sod house in North Dakota, 1896. Individual “bricks” of sod were hewn from the ground and stacked
Early in the twentieth century, when malnutrition was common, companies such as this one advertised
Children with autism generally prefer interacting with objects over people.
Foods made with fat substitutes aren’t calorie free
For the circuit in Figure 1, assume ideal diodes. The peak inverse voltage is approximately