Which feature is formed when a moraine of an earlier glacier is shaped by a later glacier?
a. a lake
b. an esker
c. a drumlin
d. a hanging valley

What is the approximate circumference of the circle shown below? 12.2 cm

Which of the following is not a pillar of the nuclear proliferation treaty? nonproliferation reduction of nuclear weapons by 85-90% right to peacefully use nuclear power disarmament

From where does the solar winds generate