Question

were it not for the early conservation efforts, californias national parks may never have come to be. in the 1860s, naturalist john muir fell in love with californias yosemite valley. alarmed by the damage caused by grazing livestock, he wrote essays to promote the idea of turning the area into protected land. thanks in part to muirs writing, yosemite national park was created in 1890. sequoia national park, established in 1890 by president benjamin harrison, was a response to loggers that wanted the areas enormous sequoia trees for lumber. this action effectively shielded many of californias giant sequoias from destruction.
match the problems with their solutions.
president harrison made the area a national park. muir wrote essays about turning the area into a national park.
problem solution
livestock was damaging yosemite valley.
loggers wanted to use sequoia trees as lumber.

Explanation:

• For the problem "Livestock was damaging Yosemite Valley", the text says "Alarmed by the damage caused by grazing livestock, he (Muir) wrote essays to promote the idea of turning the area into protected land". So the solution is "Muir wrote essays about turning the area into a national park".
• For the problem "Loggers wanted to use sequoia trees as lumber", the text states "Sequioa National Park, established in 1890 by President Benjamin Harrison, was a response to loggers that wanted the area's enormous sequoia trees for lumber". So the solution is "President Harrison made the area a national park".

Answer:

• Problem: Livestock was damaging Yosemite Valley. Solution: Muir wrote essays about turning the area into a national park.
• Problem: Loggers wanted to use sequoia trees as lumber. Solution: President Harrison made the area a national park.