Why does ice cause water vapor to condense? PLEASE I NEED HELP

Which characteristics are typical of a human population in the postindustrial stage?

As scientists have investigated evolution from a variety of fields, they have found that some of darwin's orginal ideas were inaccurate or incomplete. t explanation provided by evolution was updated each time to reflect the new information they found. what does this suggest about the theory of evolution? it has become a stronger and clearer theory as new information is collected.

All phases of matter may have a fixed mass