Under the leadership of mikhail gorbachev the doctrine of perestoika called for which of the following

Which of the following is the major contributing factor in all landslides? stream erosion precipitation earthquakes gravity sedimentary layers oriented parallel to the slope

15 points need quick 1. looking at your graph and the geologic time scale during what period did this rock form? what is the age span of the rock, in millions of years? 2. this rock sample is limestone and shale. with what you know about rock formation, what type of environment did these organisms live in? 3. if some of these fossil samples were found in a rock also containing leaf fossils, could you use radiocarbon dating to determine the age of this rock? explain.

Informatii despre riul nistru dup algoritmul pozitia pe continent originea denumirii lungimea izvorul gura de varsare afluentii directia riului caracterul cursului activitatea de model are regimul. de inghet variatia nivelului so volu! mul de apei tipul de alimentatie importantanta pentru om unitatile de relief strabatute caderea riului