What is the percent composition of C4H10? (4 points) 44.6% C and 45.4% H
57.3% C and 42.7% H
82.7% C and 17.3% H
89.4% C and 10.6% H

Which traits do human embryos have that link them to a common ancestor with fish and reptiles? a. scales and tail b. gill slits and scales c. tail and gill slits d. hair and tail

What is the value of keq for the reaction expressed in scientific notation?

How have the greenhouse gasses increased from the year 2000 to 2018