1-C. Terrestrial planets tend to retain more of the Sun's heat than gas giants.Terrestrial planets tend to retain more of the Sun's heat than gas giants.
地球型惑星は、傾向があります、より多くを保持するダヨ、太陽の熱のダヨ、ガスの巨人よりダヨ。
2-C. For example, the atmosphere of Venus is composed primarily of carbon dioxide (CO2,) which helps the planet retain the heat it receives from the Sun.For example, the atmosphere of Venus is composed primarily of carbon dioxide (CO2,) which helps the planet retain the heat it receives from the Sun.