Is there anyway if someone can help with my geography unit test i only need help with 3 questions

Suggest two reasons why irrigation is important for human development of the desert

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

When volcanoes erupt, magma (hot, molten rock) rises toward the surface of the earth. as magma cools, solid rock forms. this rock contains substances from the interior of the earth. which of the following natural resources is likely to be plentiful near subduction zones where volcanic activity has occurred in the past?