who is the inventor of light bulb? There are correct 3 answers., Thomas Edison, Karl Benz, Mahlon Loomis, Joseph Swan, Alexander Lodygin, Philo Farnsworth, who is the inventor of radio? There are 3 correct answers., Charles Babbage, Milton Reeves, Nikola Tesla, Reginald Fessenden, Philo Farnsworth, Guglielmo Marconi, who is the inventor of television? There are 3 correct answers., Philo Farnsworth, Kenjiro Takayanagi, John Logie Baird, Alexander Graham Bell, Amos Dolbear, John Stingfellow, what can you see at night in the sky? There are 2 correct answers, sun and moon, stars and sun, nothing, constellations and moon, stars and bright planets, cloud only, what is the name of the brightest star in Earth's night sky? There is 1 correct answer., Proxima Centauri, Sirius, UY Scuti, Sun, Eta Carinae, Alpha Centauri

science

بواسطة
طباعة
تضمين

لوحة الصدارة

النمط البصري

الخيارات

تبديل القالب

استعادة الحفظ التلقائي: ؟