An inventor develops a stationary cycling device by which an individual while pedaling, can convert all of its energy into heat to warm water. What minimum power must be generated if 300 g of water is to be heated in 10 minutes from 20 c to 95 c( specific heat of water is 4186 j/(kg c) ).

Explain how earth is like a giant bar magnet. how is our magnetic field made?

Spider crabs live in the shallow regions of the ocean floor. algae tend to grow on the surface of spider crabs. the algae provide the crabs protection from predators by camouflaging them. the spider crabs give the algae shelter. what does this description suggest? 1. the algae are parasites of the spider crabs. 2. the algae and the spider crabs have a mutualistic relationship. 3. the spider crabs are commensals, and the algae are parasites. 4. the spider crabs benefit from the algae living on them. 5. the spider crabs are parasites of the algae.

Aside form a students id, what is another card a collage student use to obtain discounts