Answer:
B. active volcanoes
Explanation:
Mexico City and San Salvador are both adjacent to <u>active volcanoes</u>.
Answer:
Most connections are on the East Coast.
"The United States has the largest rail transport network size of any country in the world. The nation's earliest railroads were built in the 1820s and 1830s, primarily in New England and the Mid-Atlantic region. The Baltimore and Ohio Railroad, chartered in 1827, was the nation's first common carrier railroad." per Wikiapedia.
Explanation:
https://en.wikipedia.org/wiki/Rail_transportation_in_the_United_States
Answer:
Human Resource Development includes such opportunities as employee training, employee career development, performance management and development, coaching, mentoring, succession planning, key employee identification, tuition assistance, and organization development