Which sentence contains an element of bias , according to reasearchers

(1) fire extended humans’ geographical boundaries by allowing them to travel into regions that were previously too cold to explore. (2) it also kept predators away, allowing early humans to sleep securely. (3) fire, in fact, has been a significant factor in human development and progress in many ways. (4) other obvious benefits of fire are its uses in cooking and in hunting. (5) probably even more important, however, is that learning to control fire allowed people to change the very rhythm of their lives. (6) before fire, the human daily cycle coincided with the rising and setting of the sun. (7) with fire, though, humans gained time to think and talk about the day’s events and to prepare strategies for coping with tomorrow. the sentence that expresses the main idea is: (type the number of the sentence. then click “go.”)

We will be learning about animals that live in the arctic. your assignment is to find information about one animal in the arctic. be sure that you find the following information about the animal: average height and weight, appearance, diet, shelter, mating habits, and any other interesting or important facts. we will use the information that you gather in the research with an in-class project. be sure to keep track of your sources; your final project will require a works cited page. in an internet search engine, which group of keywords is most appropriate for this assignment? a) project, arctic, diet b) arctic, animals, facts c) cold, appearance, animals d) average height and weight, one animal

Plss me i need hrelp i will give you 12 pionts. a student is writing a blog claiming that school uniforms are a good idea. which sentence provides evidence to support this claim? a: many students are against wearing school uniforms because they think they will look silly. b: a recent study found that students who wear uniforms are more focused during class. c: a recent poll found that only ten percent of teachers are in favor of school uniforms. d: many parents worry that school uniforms will be more expensive than regular clothing.