In 2013, Planck measured the age of the universe at ______?

✅ C. Oxygen

Oxygen is required for aerobic cellular respiration. Read more

✅ B. The Sun

a: Proxima Centauri | b: The Sun | c: Sirius | d: Polaris Read more

✅ D. The Sun

a: Earth's core alone | b: The Moon | c: Tides alone | d: The Sun Read more

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

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

✅ C. Photosynthesis

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

✅ A. O

a: O | b: Og | c: Ox | d: Oy Read more

✅ C. Skin

a: Lung | b: Liver | c: Skin | d: Heart Read more

✅ B. Ascorbic Acid