What is one topic that john muir writes about in our national parks?

The correct answer is B).How trees, which are helpless, must be protected from fools .

John Muir(1838-1914) was a naturalist that supported the conservation of forest in the United States. He worked to protect natural reserves such as the Grand Canyon in Arizona and Yosemite Valley, in California.  

Muir considered that forest preservation was very important for the country because people needed to be in touch with nature not only to do exercise in the Woods but to have moments alone to make introspection.

In 1892, Muir founded the Sierra Club, dedicated to the preservation of the environment. He had the idea that people should leave its daily and tired routines to enjoy nature in the Woods and scape from the city.

John Murin wrote several books. The most important: “The Mountains of California” (1894), “Our National Parks”(1901), and “My First Summer in the Sierra”(1911).

the answer is b. osage.

answer: the time zones used to be whatever the local authority wanted them to be. one town might have 6am whenever the sun came up and another town had 6am 10 minutes later.  

the trains had a hard time when their orders said to be at a certain point at 6am.  

6am, but who's 6am.  

the railroads got together and set the time zones more or less along the longitude lines across the country.

explanation: