Which action can reduce household energy use?

✅ A. Carbon dioxide

a: Carbon dioxide | b: Helium | c: Argon | d: Neon Read more

✅ B. It does not carry any charge

✅ B. Ozone layer

a: Troposphere only | b: Ozone layer | c: Inner core | d: Mantle Read more

✅ D. Nucleus

a: Molecule | b: Electron shell | c: Isotope cloud | d: Nucleus Read more

✅ B. 1 mm

✅ B. Mercury

Mercury is the closest planet to the Sun. Read more

✅ C. Establishing forest on land not recently forested

a: Building roads | b: Draining wetlands | c: Establishing forest on land not recently forested | d: Removing trees Read more

✅ D. 300