Which of the following equations support the law of conservation of mass? 8.5F I - 2 Fe2O3 + 3 C → 4 Fe + 3 CO2

II - SO2 + O2 + 2 H2O → 4 H2SO4

III - 2 Mg + HCl → MgCl2 + H2

IV - 2 SO2 + O2 + 2 H2O → 2 H2SO4

A I only

B I and IV

C II and III

D I, III, and IV

prokaryotic cells do not have a nucleus in which the dna is stored in, it floats freely inside the cell.

eukaryote cells do have a nucleus in which the dna is stored in.

hey bro i looked it up on google the structure of the eye-spot in euglena viridie, e. ehrenbergii, and phacus pyriyorme is not as franzé haa described it. the so-called “crystal body” and “lens bodies” were not found in any of the individuals of the species examined by me. as earlier observers have stated, the eye-spot consists simply of a mass of pigment granules arranged in a single layer, and probably embedded in a protoplasmic framework, but the latter could not be seen, and its presence was only inferred from the fact that the pigment granules must be held together in some way, thd the eye-spot as a whole is capable of expansion, and that the pigment granules can be separated from each other.

hope this   and an i get brainlsiest

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