Ascientist finds an unusual object and decides to study it. which observation indicates that the object is a living thing? a. it is found in water. b. it has a hard outer shell. c. it is made of cells. d. it has an uneven shape.

C. It is made of cells. All living things are made of cells, so if it has cells, it is a living thing. I hope this helped you, sweetheart.

Ifound this on google “here are some features of the alveoli that allow this: they give the lungs a really big surface area. they have moist, thin walls (just one cell thick) they have a lot of tiny blood vessels called capillaries.for more information go to the website below › bitesize › guidesi hope this you for what your looking for. can you plz mark me brainliest?