How pedestrian be responsible in accident

Pedestrians are the people that walks on the foot on roads while walking, running. Pedestrians may sometime responsible for the accidents due to their carelessness.

The pedestrians sometime do not use zebra crossing while crossing the roads can leads to the drastic accident. Running carelessly on the roads crowded with vehicles can also leads to accident.  

it would affect precipitation by causing flooding in some areas of the world due to climate increasing, causing the glaciers in the northern and southern pole of our planet to melt.

i wish you would have provided choices to simplify it and allow me to give an exact answer.

genetic variation will increase because of a new habitat and food source.

explanation: