Why is Earth’s temperature just right for life?
A. Earth’s core is hot enough to heat Earth’s surface.
B. Earth’s magnetic field creates suitable temperatures on Earth’s surface.
C. Earth’s crust is warmed by heat from the sun.
D. Earth’s atmosphere traps heat from the sun, which makes Earth’s temperature suitable for living things.
Is D right?
D looks good
YEAH
impatient much?
YOUR A LIFE SAVER
yes a little
Which of the following statements accurately explains how Earth’s atmosphere supports life?
A. Earth’s atmosphere contains 78 percent oxygen, which is essential for life.
B. Earth’s atmosphere contains 21 percent oxygen, which many life forms need to survive.
C. Earth’s atmosphere contains more oxygen than carbon dioxide.
D. Earth’s atmosphere contains carbon dioxide, which all life forms breathe in.
I am not sure