I think that's fauls...I think speed cause more light wave so...yea
D. Connie chooses water quality as her current event, since the local news recently criticized water quality in their area. For her visual aid, she makes a data table of contaminants and their abundance in the local water supply.
Answer:
immediately
Explanation:
The ants move independently to search food from the nest, but at the same time they go away from the nest, they leave a way of pheromones, this is their mechanisms to return to the nest.
In average, the ants could take like 100 or 200 meters from the nest to search food, so 7 meters is a very small distance, and with the way of pheromones, they will return to their nest easily.
1cm=10,00micrometers
7.5micrometers
7.5micrometers=0.00075cm