Which element is capable of forming long chains by forming single, double, or triple bonds with itself? hydrogen oxygen carbon nitrogen

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?

Which organism actively hunts other

Why are lipids and proteins free to move laterally in membranes?