Question

(a) State three conditions, other than water and the concentration of mineral ions, that

would need to be kept the same for all the plants, in order to make the investigation a
fair test.
1.
2.
3

Answer 1

Step-by-step explanation:

Plants use magnesium ions to make chlorophyll in their leaves. Like in nitrate deficiency, the plant is limited in terms of its photosynthetic ability and the plant growth is compromised. Magnesium is a limiting factor in healthy plant growth.

Answer 2

1: Periods of Light

2:Temperature Substrate

3:Soil Type