Animals with radial symmetry have embryos (blastula) with: A. two germ layers, the ectoderm and the endoderm.
B. no germ layers as they free-form.
C. three germ layers, the ectoderm, the mesoderm and the endoderm.
D. one germ layer.
E. None of these.

Why do german shepherds shed so much

Some mining processes involve removal of large areas of earths surface in the mined region this practice causes severe environmental damage by allowing which natural process to accelerate in the affected areas? a.precipitation b.erosion c.migration d.condensation

Were does condensation occur? a) hydroshereb) lithosherec) boishered) atmosphere