Answer:A
Explanation:
did it on edgenueity 2020
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.
Hello,
To prevent pregnancy implanted progestins contained in porous silicone tubes are inserted under the skin.
Hope this helped,
j548831
Answer:
parathyroid hormone (PTH), which is produced by the parathyroid glands. I hope it helps
Explanation:
