The oceanic nazca plate is being subducted beneath the continental south american plate. which type of plate boundary is this?

a. continental-oceanic convergent
b. oceanic-oceanic convergent
c. divergent
d. strike-slip
e. transform

the answer would be 3

thrombocytopenia, which is a deficiency in blood platelets, can cause bleeding and bruising in the dermis similar to senile purpura. other possible causes include: exposure to ultraviolet rays and aging skin are common causes of senile purpura. senile purpura may also be a sign of collagen loss in the skin and bones.

answer; both surfaces of the membrane are nonpermeable