Answer:
a: solution 2 is more diluted
Explanation:
Answer:
Darwin's theory states that all species of organisms arise and develop through the natural selection of small, inherited variations that increase the individual's ability to compete, survive, and reproduce.
examples: the giraffe's neck became longer as it stretched then they passed it to there children.
Explanation:
Explanation:
Generate electricity Fossil fuels can be burned to power vehicles like cars, but they can also be used to:generate electricity
Answer:the decline of lichens is an important indicator of an imbalance in the ecosystem. this research can help system ecologists predict how pollution will affect the entire ecosystem
Explanation:
