Why do human populations change?

Because either humans are passing away quickly or there are a lot of child births (Maybe even both)

Explanation:

it depends on death rates which depends on population

Explanation:

there's the proffessional site that will you.

question: which statement best describes the different properties of metals?

answer: they are shiny and bend without breaking.

since metals have certain characteristics properties, they include the following: they are ductile, malleable, shiny, hard, lustrous, flexible and they are good conductor of heat and electricity. so therefore, metals are not dull and they are not non-flexible as listed. instead, they are shiny and flexible.

hope this , have a good day. c;