What is the smallest particle of an element that still retains all the properties of the element? a) an atom
b) a mineral
c) a compound
d) an isotope

A

Explanation:

basically, an atom is the smallest part of an element, a compound is usually two or more elements that are chemically combined, and isotope, there are subdivisions of isotopes, but basically, isotopes of the same element have different structural formula but the same molecular formula

the period of human evolution has coincided with environmental change, including ('hominin' refers to any bipedal species closely related to humans – that is, on how do we know earth's climate has changed? a map showing dates and locations of prehistoric archeological sites and migration routes from africa into.