Question

what important job does earths magnetic field do to help life?
a. it makes us breathable
b. it controls how the weather changes.
c. it protects the planet from harmful solar winds and space radiation.
d. it controls ocean currents.
if the sun were bigger, what would most likely need to be true for earth to still have life?
a. earth would need to be hotter than the sun
b. earth would need to be closer to the sun
c. earth would need to be cooler
d. earth would need to be larger
earths atmosphere protects us from space by making meteors _____________ up as they enter.
earth is at the perfect distance from the sun, called the _____________ zone, where liquid water can exist.

Explanation:

• For the first question: Earth's magnetic field protects the planet from harmful solar winds and space radiation.
• For the second question: If the Sun were bigger, Earth would need to be farther from the Sun to still have life (as a bigger Sun would emit more heat).
• For the third question: Earth's atmosphere makes meteors burn up as they enter.
• For the fourth question: The perfect distance from the Sun where liquid water can exist is called the habitable zone.

Answer:

• 50: C. It protects the planet from harmful solar winds and space radiation.
• 51: A. Earth would need to be farther from the Sun.
• 52: burn
• 53: habitable