For everyday science, which type of wave can travel through a vacuum?

✅ C. Carbon dioxide

a: Hydrogen | b: Nitrogen | c: Carbon dioxide | d: Oxygen Read more

✅ D. Thermometer

a: Barometer | b: Seismometer | c: Voltmeter | d: Thermometer Read more

✅ A. Electron

a: Electron | b: Neutron | c: Photon | d: Proton Read more

✅ D. 6

a: 5 | b: 7 | c: 8 | d: 6 Read more

✅ C. 12000

a: 1012 | b: 1200 | c: 12000 | d: 120 Read more

✅ A. Electron

a: Electron | b: Neutron | c: Photon | d: Proton Read more

✅ C. Ocean absorption of excess atmospheric carbon dioxide

a: Moonlight | b: Extra oxygen dissolving | c: Ocean absorption of excess atmospheric carbon dioxide | d: Sand movement only Read more

✅ B. 38

a: 39 | b: 38 | c: 37 | d: 40 Read more