Sedimentary rocks formed from broken fragments of other rocks are
a.
chemical
c.
organic
b.
detrital
d.
none of the above

In what way are cities microclimates?

The first signs of cellular differentiation occur in the blastocyst. why is cellular differentiation important for the development of a fully formed human infant?

Last week i was assigned a thematic. we have groups of three but the people i was assigned with haven't been in school for days. i would appreciate if anyone can me with my thematic . i highlighted most of the important steps and i circled my thematic topic. in desperate need : ( its due on february 19