How is a RADIOACTIVE rock different from a rock that is not radioactive?

Cells destroy body cells infected by a virus or bacteria.

State officials are considering constructing a road through a forested wilderness area. this action will likely affect the forest ecosystem in various ways. part a: predict how the construction of a road could negatively affect plants and animals in that ecosystem. (3 points) part b: describe one way that the construction of a road could have a positive impact of the forest ecosystem. (1 point)

Which of the following particles always has a positive charge? a. electronb. neutron c. proton d. ion