[Q]: Two groups of tourists went on two different cruise ships Group J had some members contract Norovirus and hepatitis A, while group K got many cases of giardia and trichinella infections. Which group had more people with roundworm parasites?
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[A]: group K

[Q]: A female goose now has a large family of chicks, the chicks mostly fend for themselves and can move around almost immediately after being born. A short way away a female dog gives birth to a litter of puppies. These on the other hand are defenseless, cant really move and are blind. They require extensive care from their mother. Which animal, the baby geese or the puppies, is an altricial species of animal?
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[A]: puppies

[Q]: The U.S. produces its energy using fossil fuels, while Germany uses nuclear power plants as their main energy source. The two countries impact the environment in different ways. Which country doesn't cause other environmental problems associated with the burning of fossil fuels?
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[A]: Germany

[Q]: Matt and his brother Jesse are twins. They look almost identical. If it weren't for the fact that Jesse has a slightly darker skin complexion you wouldn't be able to tell them apart. In fact one year Matt was out in the sun for a long time and picked up a bit of a tan so they actually did look exactly alike. Will an increase in the amount of melanin produced make a person skin darker or lighter?
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[A]:
darker