Which term describes the zone of life on the Earth that includes all living things? atmosphere biosphere magnetosphere lithosphere PLS HELP ASAP PLS

Which would prevent a plant from growing

My question says on my assignment. read the following scenarios and decide which of the properties of life are being described. the first one is. katherine stopped on the way to school to grab some donuts. 2. because a dog cannot sweat, it has to pant in order to stay cool. 3. an elephant trun had no bone but 4,000 muscles. i have no idea what i am supposed to anwer. i can't find the answer in my notes or book that i can understand anyway

Which describes a grizzly bear’s habitat?