3. What is the difference between an atom and a molecule?

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?

What are the most explosive events that occur on the sun? umbras solar flares solar winds prominences

This is a situation in which genes are attached to an organism's sex chromosomes; the sex of an organism influences the expression of a gene.