TRUE or FALSE: All of the matter on earth and all of the atoms in our bodies are just being constantly recycled.

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

The influenza virus cause the flu, but not other diseases. why?

How does the study of genetic disorders such as pku biologists understand normal alleles?