7.due to serious dogmatic differences the between the orthodox church and the western christian churches, the orthodox church is not in communion with the roman catholic and protestant communities.
a. true
b. false

Why does physical weathering speed up the processes of chemical weathering? a) physical weathering requires abundant water, as does chemical weathering. b) physical weathering produces fresh surfaces for chemical weathering to attack. c) chemical weathering can occur only on small surfaces, not large ones. d) chemical weathering requires salt, which is provided by salt wedging.

In the following diagram, four different index fossils are labeled: which of the labeled fossils comes from the oldest organism? a b c d

Which of these has the least impact on the climate of a place