Answer:
D. sometimes double the size
Answer:
A
Explanation:
The answer is a because a human doesn't have unlimited stamina. Even the strongest man will get tired doing something too long.
Answer:
It is not safe
Explanation:
Because if you have ear buds in you cannot hear siren's of police,fire, or tornado warnings (the tornado warnings a little bit of a long shot but u get the point I think) also you won't be able to hear someone honk at you if they are trying to prevent an collision or warn you of something you would be otherwise oblivious to.
Answer:
The red car appears to be "tailgating" the red SUV ... following too close behind it.
The driver of the red car should immediately back off ... leave some more space between his car and the SUV.
If the SUV isn't driving fast enough for him, he should fall in behind the blue car (at a safe distance), and perhaps into one of the two right-hand lanes, and WAIT for a safe opportunity to pass all the traffic and move out ahead. The traffic pattern is sure to change in a minute or two.
Explanation: