Which action has a positive effect on air tesources? A using fossil fuels
B building new homes
C walking to work or school
D removing vegetation such as trees

Explain how the number of similarities between the embryos from early stage to late stage is used as evidence of a common ancestry

Which statement about the pancreas is not true? a. it is an endocrine organ in the abdomen. b. it release chemicals into the digestive system. c. it releases insulin to increase glucose levels. d. it release hormones into the bloodstream.

Which is the graph of the piecewise function f(x)? f(x) = image for option 1 image for option 2 image for option 3 image for option 4