Question

1. which of the following statements is true?

a. the sun revolves around the earth.
b. the moon has its own light source.
c. the earth is the largest planet in the solar system.
d. the sun is a star

1. what is the main source of heat and light for earth?

a. the moon
b. the stars
c. the milky way
d. the sun

Explanation:

For question 8:

• Option a is false: Earth orbits the Sun, not the reverse.
• Option b is false: The Moon reflects sunlight, it has no own light source.
• Option c is false: Jupiter is the largest solar system planet, not Earth.
• Option d is true: The Sun is a G-type main-sequence star.

For question 9:

• The Moon only reflects light, stars are too distant, and the Milky Way is our galaxy. The Sun is the closest star, providing Earth's heat and light.

Answer:

1. d. The Sun is a star
2. d. The Sun