Environmental scientists are using GPS ( It is effective but expensive) aerial monitoring (Quick but not the easiest), RFID tags, (mostly for long-term monitoring) and hidden cameras are used to study polar bear behavior without interruption to their environment.
Answer:
A. 2 cells are made from one cell
Answer: compost
Explanation:
i looked it up and i'm pretty sure it's compost
Answer:
3
Explanation:
red
white and roan colors so I think it's 3