2. a. In general, how do the periodic properties of the d-block elements compare with those of
the main-group elements?

Answer mauritania is in the northwestern part of african, meaning its in the western hemisphere, and how do i know/ the map showed me so; ///: )

When two tectonic plates collide and one or both push upwards they also push up the crust,a mountain will for so that will be your answer. hoped this

Although nelson mandela was arrested for treason and sentenced to life in prison, he was not arrested in 1964. he was arrested in 1962. therefore, letter b is false.