4 years ago

Why are unit trains more efficient than mixed freight trains?

1 answer:

7 0

<span>Unit train cargo uniformly goes from location A to B, while mixed train cargo is mixed in delivery, from point A to B, but also A to C, etc. Unit trains are more efficient because no extra time is needed to detach cars to send to other locations.</span>

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Which of the following is NOT a problem caused by human population growth?

Luda [366]

$\huge \frak \pink{question}$

which of the following is NOT a problem caused by human population growth?

a. not enough natural recourses to meet needs

b. not enough clean water

c. not enough cleared land

d. not enough carbon dioxide

$\huge \frak \green{answer}$

d. not enough carbon dioxide.

Not enough carbon dioxide isn't a problem with human population growth because we need Oxygen to breath and not carbon dioxide.