Can some won help with this pleas? What are characteristics of eukaryotic organisms?

A. may be single-celled or multi-celled
B. have cells that contain DNA within a nucleus
C. have cells that contain DNA in the cytoplasm
D. are always single-celled
E. include plants and bacteria
F. include animals and plants

Which best describes how fluids change as they travel through different portions of the convection currents? they change to solids at the outer portion of the convection currents. they change to solids at the inner portion of the convection currents. they become more dense at the outer portion of the convection currents. they become more dense at the inner portion of the convection currents

Which additional product balances the reaction h2so4 + 2naoh → na2so4 + 2h2o 2oh h2o2 h3o

How does the entropy of steam compare to the entropy of ice?