They should be green.
Actually- the red and purple ones are really good for you. Have a look at the bottom where they were cut away from the plant. If it's brown and slimy then put them back.
It is structure indicators, process indicators and outcome indicators.
yes because they can withstand heat and cold but not smoke or fumes and this is how we know they are good indicators of air quality
The six indicators of water quality are temperature, pH level, dissolved oxygen, turbidity, nitrate levels, and phosphorus levels. These indicators help determine the health of aquatic ecosystems and the suitability of water for human consumption.
Can detect polluted water
Butter taste.
Bruises and smell
because the are MasterCard
Quality indicators
Indicators of good water quality include clarity, odorlessness, absence of floating debris or pollutants, and a balanced pH level. Additionally, the presence of diverse aquatic life and the ability to support recreational activities suggest good water quality.
good indicators of immediate environment (soil quality, moisture, etc)
b
texture and quality