- biocombustíveis

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1: close 2: cook 3: cross 4: deliver 5: desire 6: disagree 7: disappear 8: dislike 9: enjoy 10: exchange 11: fail 12: establish 13: fear 14: join 15: guess 16: learn 17: look 18: miss 19: walk 20: worry 21: draw 22: know 23: hold 24: bet

Bienvenido hola, que tal? Muy bien y usted? Estupendo, gracias y tu?. Fatal. Puedo ayudarle? No, gracias. Como se llama? Thalita. Perdon, no escuché su nombre.

Lentes esféricas

Refração luminosa

- introdução óptica e espelhos esféricos

- kitten, butterfly, shark, snail, whale, horse, pig, elephant, monkey, chicken, giraffe, tiger, spider, bat, eagle, cow, ox, frog, bear, snake, lizard, ant, bird, rabbit, turtle, parrot, budgie, fish, wolf, bee, goose, sheep, ladybug, owl, dragonfly, jellyfish, crab, dolphin, squirrel, duck, octopus