South american country with english as official language

Based on what you know about the location of the earth in relation to the sun, why is this called the goldilocks zone in other galaxies?

Find the equation of the line passing through the point (–1, 5) and perpendicular to the line 3x + y = 4.

Which of the following is an example of an outdated theory based on the consensus of the scientific community ? a. big bangb. geocentric solar systemc. heliocentric theoryd. plate tectonics answer : geocentric solar system