How do you calculate volume of a cell?

What is the answer for the complicated molecules that make up living things usually contain carbon. why is carbon so important in these molecules?

Which beat describes the brain stem

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)