Imagine that earths axis went straight up and down, instead of tilting. Explain whether or not the earth would still have different seasons. Support your answer with evidence

leonardo was the supreme renaissance painter, scientist, inventor, and polymath. da vinci is widely regarded as one of the greatest minds the world has ever produced. he was interested in everything from music to art and science. da vinci was an immense creative force at the start of the renaissance period. amongst his many works was the immortal painting – the mona lisa.

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all of the choices are correct

the roman empire began to fall