Option 1 2 or 3

asking for a friend

Embryos of different species look very similar, which shows that the organisms share a ancestor.

Ahypothrticalax type of ceramic material is known to have a density of 2.10 g/cm3 and a unit cell of cubic symmetry with a cell edge length of 0.57 nm. the atomic weights of the a and x elements are 28.5and 30.0 g/mol, respectively. on the basis of this information, which of the following crystal structures is (are) possible for this material: sodium chloride, cesium chloride, or zinc blende

How many moles of carbon dioxide will form if 2.5 moles of c3h8 is burned