<span>Light dependent reactions require an actual source of light, and this is from the sun, for energy to carry out the first stage of photosynthesis. They need solar energy to split a water molecule in order to obtain electrons from hydrogen to be used in fueling photosynthesis. Light independent reactions do not require a light source for energy but rather they use energy that was created by the light dependent reactions to complete the process of photosynthesis in which different carbohydrates for the plant are made.</span>
C The percentage of humus in the soil will decrease.
Explanation:
The percentage of the humus in the soil will decrease if the decomposers that livers in the field dies.
Decomposers are organisms that breaks down organic matter in nature. They are usually a group of micro-organisms that feeds on dead plant and animal matter.
- Decomposers reduce dead organisms and plant matter into organic matter.
- Soil is made up of soil air, organic matter, water and rock materials.
- Soil organic matter is in form of humus in the soil.
- When decomposers are no longer available in the soil, the organic matter diminishes.
- The soil will therefore lack humus.
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