(C)theories can be used to predict the existence of as of yet unobserved things or phenomena
If in an eight-cell embryo of an organism, the cells of the upper tier are aligned over the cells of the lower tier at a slight angle, it is likely that the organism is a vertebrate.
<span />
<span> It is erosion by wind of loose material from flat areas of
dry, uncemented sediments such as those occurring in deserts, dry lake
beds, floodplains, and glacial outwash plains.
So the answer would be A
</span>
Your genotype would be both upper case. It would look like RR.
Answer:
the 4th one The lumen, is my guess
