3 NSC Orade 11
NWFeb 2021
TOPIC
Every tour to seven years, there is abnormal warming associated with more rain in
the tropical Pacific that has been referred to as 'El Nino' that will impact on people,
me economy and the environment Conduct research on the impact of El Nino in
(100)​

Why does physical weathering speed up the processes of chemical weathering? a) physical weathering requires abundant water, as does chemical weathering. b) physical weathering produces fresh surfaces for chemical weathering to attack. c) chemical weathering can occur only on small surfaces, not large ones. d) chemical weathering requires salt, which is provided by salt wedging.

Characteristics of substance farming include all of the following except

Which of the layers of the earth has the following three characteristics? i. it is made of molten rock. ii. it has currents that are constantly moving. iii. earth’s plates float on top of its currents.