The number of essential elements known for the growth and reproduction of plants is |
|||||||
a) |
27 |
b) |
15 |
c) |
17 |
d) |
9 |
The number of essential elements known for the growth and reproduction of plants is |
|||||||
a) |
27 |
b) |
15 |
c) |
17 |
d) |
9 |
(c) The number of essential elements known for the growth and reproduction of plants is 17 |