An object travels 21 metres in 3 seconds. What is its average speed in metres per second?

✅ B. 89

a: 90 | b: 89 | c: 91 | d: 88 Read more

✅ B. The clearing or removal of forests

a: Planting a forest | b: The clearing or removal of forests | c: Cleaning a river | d: Recycling glass Read more

✅ B. Nitrogen

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

✅ B. Jupiter

✅ C. 12%

✅ A. Leaves

Most photosynthesis occurs in leaves. Read more

✅ C. Vitamin D

a: Vitamin B12 | b: Vitamin C | c: Vitamin D | d: Vitamin K Read more

✅ A. O

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