Water often drips into cracks in the rocks. If it freezes there, it can cause a kind of erosion called __ A. ice wedging
B. root cracking
C. sediment runoff
D. spring melt

Ithink is a i believe

Ibelieve it is- a mixed economy offers some protection for consumer rights but still allows a good deal of choice.

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.

Answer(apex)  ok i looked up two diff, sites both say the answer is a technological innovation that has allowed people to adapt to living in hot climates, plz check first good luck///