Which statements most likely provided the information for the summary? Select two options. Mars is the second-closest planet to Earth and can be observed in the night sky without special equipment.
Astronauts will need to adapt to using advanced equipment and conducting complex operations farther and farther from Earth.
Research aboard the International Space Station is leading to new discoveries about both Earth and the astronauts themselves.
Since the end of the 19th century, Mars has been considered the planet most suitable and likely for exploration and even habitation.
Novels by authors such as Ray Bradbury and Kim Stanley Robinson have led people to wonder if living on Mars is possible.

The excerpt is from a longer essay on huckleberry finn by mark twain. what kind of support is used to develop the writer's main idea regarding how twain brought his characters to life?

(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.”)

Which words and phrases connect the ideas in this excerpt from a compare and contrast essay? the team considered using products made by company a and company b. however, the budget and concerns about learning about two products meant that they needed to choose only one. they realized that the product from company a was of excellent quality, to company b's product.