What is the coelum?
a. the space between the ectoderm and mesoderm
c. the space between the two layers of the endoderm
b. the space between the mesoderm and endoderm
d. the space between the two layers of the mesoderm?

To be eligible for naturalization, an immigrant must be able to speak, read, write, and understand: a) his name b) poetry c) the constitution d) the english language

Jennifer is visiting her grandmother, who lives in the northeast corner of oklahoma. the region is home to many lakes, and jennifer enjoys canoeing on the illinois and grand rivers. to which region of oklahoma is she traveling? the prairie plains, the ozark plateau, the red river plains, the red beds plains

Determine which of the two measurements in each set is lesser.10°f or 20°ca. 10-fb. 20°c