I believe the answer is: Sheet metal
Self tapping screws are made by creating a gap in the connector within the thread of a crew, which creates a flute and cutting edge just like what we see on tap. This makes self tapping screws able to tap their own hole in a sheet metal while normal screws can't.
Answer: D) To freely trade with the bloc's other member countries.
Explanation:
Free trade means there aren't any tariffs between any two countries. So any two countries can sell whatever goods they want without any extra taxes, fees, etc added on.
Choices A through C all describe situations in which trade is reduced/restricted between any two countries. This makes a nation more independent, but the drawback is that they aren't connected to the global stage as much.
Theoretically in an economic sense, a country is better off being connected more globally because it allows for specialization to happen and it lowers costs. Of course on a practical realistic level, things are more complicated but this is the general idea at least.
Answer: D. Some emotional reactions may occur without conscious thinking.
Explanation: Wothout conscious thinking, some emotional reactions occur. The amygdala (a small brain region) is the emotional control centre that regulates emotions, memory. The thalamus located above the brain stem functions to send motor and sensory signals from the spinal cord and the mid brain. Visual input are directly sent by the thalamus to the amygdala, triggering emotional responses unconsciously.
D is correct, hurricane Katrina is largest, hurricane Andrew was smallest and hurricane Ivan was middle
They both still traded goods form one country to the next. In both roads, culture and religion spread too.
