Pls do asap. the book is percy jackson and the olympians the lighting theif. pls i need it

you can earn the crowns by answering others questions an being selected brainliest if your answer is the best.

good luck: )

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the sound a train makes as it blows it horn is the correct answer i believe

a constant variable, normally called a controlled variable, is the term for a variable that remains constant throughout an experiment, though other variables may change. an example is the water pressure for a faucet when measuring the amount of water released when the faucet is opened to various increments.