Answer:
it's 3d orbital is completely filled.
Explanation:
Explanation:
Environmental Scientists can use GPS tagging, aerial monitoring (from a plane), RFID tags (radio frequency identification device), and/or hidden cameras to track and monitor polar bears.
I think that an antonym for Food Chain is food web.
Lapilli: Rock fragments between 2 and 64 mm (0.08-2.5 in) in diameter that were ejected from a volcano during an explosive eruption are called lapilli.
