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i think A
@apoorvk @Calliope @Shane_B
This isn't even a biology question...
well it on my bio assignment and i dnt get it
I think A is unlikely: consider that parts of the world (e.g. Saudi Arabia) with a large supply of petroleum are getting very rich off it.
but once you burn it it cant come back
i change my answer to D
You think nuclear power doesn't produce ANY form of pollution?
it says its clean
it says it does not pollute the air
but if leaked
What happens to the waste?
ok is it C
They generally bury it somewhere, I think. Nuclear waste is a huge problem with nuclear power stations, because they produce all this waste and then the waste has to be kept safe for a VERY long time so it doesn't contaminate the environment.
ok i think C now
I agree. Coal is generally cited as being relatively cheap.
oh ive seen that nuclear waste is kept in those yellow barrels
At which of the following points during the carbon cycle is energy transformed from potential to kinetic energy? When an animal transfers excess energy from its food into its fat cells When muscle cells break up food molecules to make the muscle contract When carbon dioxide in water is used to help build tissues of aquatic plants When light energy is stored in a glucose molecule during photosynthesis
Do you know what kinetic energy is?
yes when its in motion and potential is when the energy is stored
Natural gas does not produce greenhouse gases as other energy sources do. - CNG produces mostly just water and CO2, so definitely less harmful relatively.
Right, so which of those answers involve motion?
@apoorvk CO2 is a greenhouse gas.
@apoorvk It might produce less, but it would still be incorrect to say that it doesn't produce any (like in answer b).
forget him help me
i think B
B would make sense, I think.
Energy transfers in cellular respiration are different from those in photosynthesis because in cellular respiration electrical energy is transformed into mechanical energy; in photosynthesis, electrical energy is transformed into chemical energy radiant energy is transformed into mechanical energy; in photosynthesis, radiant energy is transformed into chemical energy chemical energy is transformed into mechanical energy; in photosynthesis, radiant energy is transformed into chemical energy chemical energy is transformed into radiant energy; in photosynthesis, radiant energy is transformed into electrical energy
i think A