What is a run-on sentence?

if somebody can say what it is I'll really appreciate it !

2dogs and 2 humans how many people are there? animals are considered as people too?

Shauna has collected a variety of sources for her research about charlie chaplin’s impact on american cinema. in performing her preliminary evaluation of each source, shauna should-thoroughly review and examine the content.-perform a quick search to determine the author’s reliability.-check whether the author agrees with experts on the subject.-decide whether it will be useful in her final essay.

Im giving 98 point to who answers first and fast i do not need you to give me the answer just some or ideas will be great, i am stuck and not sure what to do you will submit your prewriting documents for the character analysis essay. submit your completed brainstorming and outline graphic organizers. the brainstorming graphic organizer should be complete and show evidence that you have considered several characters and their characteristics for your essay. the outline graphic organizer should demonstrate a plan for writing and include appropriate and sufficient textual support.