Fill in the blanks (a) A total of `"___________"` nutrients are essential to plants. (b) `"___________"" and " "___________"` are supplied by air to platns. (C) `"___________"` si supplied by water to plants. (d) Soil supply `"___________"` nutrients to plants. (e) `"___________"` nutrients are required in large quantity and called as `"___________"` (f) `"___________"` nutrients are needed in small quantity for plants and are called `"___________"`