Zusammenfassung der Ressource
SOURCES OF FOODS
- Slash-and-burn
- A method to clear land
- cause haze and
air pollution
- Eye irritation and
breathing problem
- Forest
Fires
- Loss of natural habitats
- soil condition
- fertilisers
- contamination of water source
- Negative impact on aquatic life
- Algae bloom- covers
water surface, plant
and animals in the
water dies
- PH Test
- Litmus
paper
- Data
Logger
- universal
indicator
- PH Meter
- protection of
crops
- pesticides
- Herbicides
- biological controls
- Environmentally-friendly
- Introduce natural
predators
- Plants
- Carry out photosynthesis to make food
- Raw materials
- carbon dioxide and
water
- End products
- sugar
- Conditions
- Sunlight and cholophyll