Name an abnormal mass of cells that may be cancerous. aCorn
b Pimple
C Mole
d Tumor

Which of the following is a consequence of urban heat islands? increased precipitation downwind of the city? increased precipitation upwind of the city? decreased winds within the city? increased winds within the city?

Why is the theory of evolution important? it disproves all other theories about how life began. it provides a topic for debate. it is a unifying concept in biology. it explains how life began. i know for sure, it is not "it is a unifying concept in biology."

Which of the following describes a difference when gram-positive bacteria are compared to gram-negative bacteria?