Which of the following is not a common hazard to the biosphere from volcanic activity?
a) ash covering plants and restricting photosynthesis
b) roofs collapsing under the weight of ash
c) inhalation of poisonous gases
d) boiling of local streams near volcanoes

Drag and drop a statement or reason to each box to complete the proof. statement reason △abc , de⎯⎯⎯⎯⎯∥ac⎯⎯⎯⎯⎯ given corresponding angles postulate △bde∼△bac babd=bcbe polygon similarity postulate ba=bd+dabc=be+ec bd+dabd=be+ecbe substitution property of equality bdbd+dabd=bebe+ecbe addition of fractions 1+dabd=1+ecbe simplify. dabd=ecbe subtraction property of equality

Why is the indus river so important to the people of pakistan?

An enormous wave generated by an earthquake beneath the seafloor is known as a