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: Tragedy of the commons
Explanation: Tragedy of the commons could simply be explained as the potential destruction or abuse of a communal resource which belongs to not one but group of people or a community due to unrestricted or unregulated access afforded to all members. The destruction or damage done is usually due to the self interest of members who are only guided by their own personal pursuit giving little or no regard to shared instruments, products, infrastructures or resources. In other to guard against 'tragedy of the commons' regulations and restrictions should be made to shield or protect shared resources.
They put in 4 new acts, or the intolerable acts.
One made the Townsend act stronger
One cut off trade from Boston
One was that people who broke the laws, were to be sent to England for a trial
One was they cut off all colonial meetings
Answer:
rule-based system is the correct answer.
Explanation:
<span>Mediterranean economies were short of gold but could supply salt, taken by places like the African salt mine of Taghaza</span><span>, whereas West African countries like Wangara </span><span>had plenty of gold but needed salt.</span>
