Identify the main idea of this paragraph:

it was a law not of men's choosing but made imperative by the circumstances of the space frontier. galactic expansion had followed the development of the hyperspace drive and as men scattered wide across the frontier there had come the problem of contact with the isolated first-colonies and exploration parties. the huge hyperspace cruisers were the product of the combined genius and effort of earth and were long and expensive in the building. they were not available in such numbers that small colonies could possess them. the cruisers carried the colonists to their new worlds and made periodic visits, running on tight schedules, but they could not stop and turn aside to visit colonies scheduled to be visited at another time; such a delay would destroy their schedule and produce a confusion and uncertainty that would wreck the complex interdependence between old earth and the new worlds of the frontier.

expansion among the galaxies spread people far away.
space cruisers had to stay on a tight schedule.
people of earth created the hyperspace cruisers.
in space, there were many colonized areas, some big, some small.

Excerpt from the ultimate fighting championship mary o'dell 1 american interest in mixed martial arts is growing. both male and female athletes are invited to compete, although this sport is not recommended for the prima donna. this full contact fighting combines various martial arts techniques so fighters with different styles can compete against each other. this intriguing sport has convinced more than one athlete that he is not, in fact, the alpha and the omega! many people think that all combative sports should be strictly monitored and regulated by state commissions. it is obvious that the ultimate fighting championship (ufc) is an organization that promotes combative athletic events. state athletic commissions should strictly monitor and regulate the ufc.select the rebuttal statement that best refutes the viewpoint in section one. a) it is necessary to oversee the athletes involved in mixed martial arts. b) it is unnecessary to oversee the athletes involved in mixed martial arts. c) it is necessary for athletes involved in mixed martial arts to self-regulate. d) one distinctive feature of mixed martial arts is the combination of various techniques.

Which options most accurately explain how the author of the war of the worlds uses the crash landing of the spaceship to introduce ogilvy's character? (select all that apply.)the war of the worldsogilvy goes to the site of the crash and is immediately certain that it has been caused by aliens. because of this, he immediately gets the townspeople together to fight. his actions characterize him as brave.ogilvy tries to those inside the cylinder. his actions characterize him as compassionate.ogilvy goes to the site of the crash to explore the area the morning after seeing the shooting star. once there, he examines the cylinder. his actions characterize him as curious.ogilvy runs to the nearest town to get away from the cylinder. his actions characterize him as cowardly.

Take the following paragraph and write two separate paragraphs based on it. be sure to properly cite both parenthetically (don’t worry about a works cited) using this: (henderson). 1.) the first paragraph should contain a direct quote from the provided paragraph (the paragraph below). 2.) the second paragraph should contain a paraphrase of the provided information (the paragraph below). trees are in that they provide clean air. trees take in harmful gases from the air such as carbon dioxide, which is what people exhale from their lungs, and turn it into oxygen, which is what we inhale. they complete this process through photosynthesis, which requires carbon dioxide and then releases oxygen. without trees acting as nature's natural filter, the air would quickly become unbreathable to humans.