Can somebody help me out ​

Cells tend to have a relatively small and uniform size. why aren’t cells larger?

Ascientist discovers a new body between the orbit of neptune and the kuiper belt. the object is round and travels in an orbit around neptune with other space objects. the scientist claims that she has found a new dwarf planet. where is the scientist’s error?

Paint and solvents pose no potential hazard to human health. select the best answer from the choices provided t f