What is the chemical formula of water?

✅ A. Electromagnetic wave

a: Electromagnetic wave | b: Sound wave | c: Seismic S-wave | d: Water wave Read more

✅ C. Barometer

a: Hygrometer | b: Anemometer | c: Barometer | d: Thermometer Read more

✅ C. Photosynthesis

a: Respiration only | b: Digestion | c: Photosynthesis | d: Fermentation Read more

✅ A. Meeting present needs without undermining future generations' ability to meet theirs

a: Meeting present needs without undermining future generations' ability to meet theirs | b: Ignoring environmental impacts | c: Using every resource as quickly as possible | d: Banning all technology Read more

✅ B. An area where water covers or saturates the soil for part or all of the year

a: A dry dune | b: An area where water covers or saturates the soil for part or all of the year | c: A volcanic crater only | d: A glacier peak Read more

✅ C. Troposphere

a: Thermosphere | b: Exosphere | c: Troposphere | d: Mesosphere Read more

✅ D. Red blood cells

a: Plasma proteins | b: Platelets | c: White blood cells | d: Red blood cells Read more

✅ A. Nitrogen

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