What is the definition of salinity ?

What came first egg or chicken? and is tomato a vegetable or a fruit?

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)

List five ways we are indebted to phytoplankton