Compared to the previous century, Earth's temperature over the last 10 years has been: a. ) Its impossible to tell becau

[answerhappygod]

Compared to the previous century, Earth's temperature over the
last 10 years has been:
a. ) Its impossible to tell because records weren't kept back
then.
b. ) Clearly above average
c. ) About average
d. ) Clearly below average
Among stars on the Main Sequence, which spectral type has the
LARGEST mass?
a. ) G
b. ) A
c. ) M
d. ) B