What is the chemical symbol for oxygen?

✅ B. 7000

a: 70 | b: 7000 | c: 1007 | d: 700 Read more

✅ A. 8

a: 8 | b: 9 | c: 10 | d: 7 Read more

✅ C. 7

a: 4 | b: 14 | c: 7 | d: 1 Read more

✅ B. 122

a: 121 | b: 122 | c: 124 | d: 123 Read more

✅ D. Energy from sources replenished naturally on human timescales

a: Energy only from coal | b: Energy from burning peat only | c: Energy only from oil | d: Energy from sources replenished naturally on human timescales Read more

✅ C. Paris Agreement

a: Ramsar Convention | b: Montreal Protocol only | c: Paris Agreement | d: Basel Convention Read more

✅ D. 8000

a: 800 | b: 80 | c: 1008 | d: 8000 Read more

✅ C. Sea water