Even if you live in the middle of north america, the quality of your watershed can affect the quality of the ocean. how can this be?
select one:
a. evaporation carries materials from your watershed to the ocean.
b. materials in your watershed are eventually transported to an ocean.
c. the amount of water in your watershed will affect ocean evaporation.
d. materials in your watershed are not transported to an ocean

1. true.2. true.3. true.4. false.5. true.the concept of darwin's theory of evolution involves the idea that there are limited resources in a given living environment and that the organisms which live within have variations in their genetic make up due to random mating. the ones with beneficial genetic variations can express certain traits which give them an upper hand in surviving and reproducing in the said environment compared to ones who may have a more disadvantageous variation in traits. over time, the organisms with an upper hand will survive and reproduce more frequently and pass on their beneficial genes while the others die. the result is evolution, where we observe (usually, but not always) eventually, phenotypic distinct changes.

Could you elaborate?