Living indicators are species that are sensitive to changes in the environment. For example air pollution can be monitored by looking at lichen, which are sensitive to sulphur dioxide in the air. The number of lichen at a particular location indicates how clear the air is. Similarly, mayfly larvae are good indicators for water pollution because they're sensitive to the concentration of dissolved oxygen in water.
Non-living indicators are things like satellites which can measure the temperature of the sea surface, weather stations that measure atmospheric temperature, rain gauges to measure rainfall, and dissolved oxygen meters to measure concentration of dissolved oxygen in water.
By imagining where she was when she last walked in the door, Marla retraced her steps to find her keys. This is an example of a __________ dependent memory.
A.
mood
B.
echoic
C.
state of being
D.
context
Answer: D
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Answer:
Bacteria.
Explanation:
When a plant or animal dies, decomposers like fungi and bacteria turn the nitrogen back into ammonium so it can reenter the nitrogen cycle. Denitrification - Extra nitrogen in the soil gets put back out into the air.
The answer would be the xylem and the pholem
Answer:
I don't know the question u are trying to say