The value of nation's currency increases as the
a supply
b. demand
c. exposure
d. population
select the best answer from the choices provided

The term used to describe a disease-causing microorganism isa. virus. b. infection. c. pathogen. d. microbe. e. bacterium.

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)

In general, characteristics that an organism survive and reproduce become more common in a population over time. what mechanism of evolution cause this change?