Question

Attempt all the questions. Part A: Chemistry (13 mark 1. What kind of elements form cations? a) Metals b) Non-metals c) electromagnetic elements d) none of these. 2. What is polar molecule? 3. Define the term valence electrons. Name two element 4. Why are co-ordinate bonds considered as special type 5. State two properties each of electrovalent and covale 6. Two elements W and X have atomic numbers 7 and 9 molecules that would be formed by the two elements present using (.) and (x) to represent valence electron​

Answer 1

Answer:

How does Rhizobium help in removing soil fertility?

Explanation:

How does Rhizobium help in removing soil fertility?