Modules that are inherited can be passed along to a new parent Module

module_inheritance.rb

module Module_A
  def greeting_a
    puts "Hello from Module A"
  end
end

module Module_B
  include Module_A

  def greeting_b
    puts "Hello from Module B"
  end
end

class User
  include Module_B
  def greeting_c
    puts "Hello from the instance method"
  end
end

user = User.new
user.greeting_a #=> Hello from Module A
user.greeting_b #=> Hello from Module B
user.greeting_c #=> Hello from the instance method