If you transfer energy into two solid substances, which do you think would melt first? A substance with stronger molecular attraction OR a substance with weaker
molecular attraction.

Compare and contrast the adaptations of free-living flatworms and parasitic flatworms

Here's one way to follow the scientific method. place the missing steps in the correct position in the process.

1. variations in a population of moths allow for some of its members to be able to adapt to environmental changes. the better adapted of the moths will be able to survive the change and thus prevail as the “fittest” of the species. (a) describe three mechanisms in which variation can occur within a species population. (b) explain which mechanism or mechanisms would be responsible for the survival of a population of peppered moths better than white moths in an environment affected by industrial soot. justify your answer.