If using solar energy to generate power reduces greenhouse gases, then what can be used to reduce greenhouse gases while generating power? Answer choices: - bamboo - Carbon dioxide - Electrical energy - The ozone layer - peachleaf willow - Solar energy - Fossil fuels - Fuel cells
Solar energy

If some parasites that kill are called pathogens, but most do not, then aparasites that can kill is called what? Answer choices: - bacteria - a carcinogen - A Greek letter - a pathogens - animals - an infection - insects - dangerous
a pathogens

If bullfrogs are of the class of creatures that were the first true tetrapods, then these belong to the class of creature that were the first true tetrapods:? Answer choices: - millipede - crabs - four limbs - bullfrogs - gastropod - a fish - warm-blooded - insects
bullfrogs