The beach moved because of landslide. This is a natural force.
Question:- In the Northern Hemisphere, western boundary currents generally flow:
• southward
• westward
• eastward
• northward
Answer:- In the Northern Hemisphere, western boundary currents generally flow <em><u>northwards.</u></em>
So, Option (Dot) 4 is the correct answer.
3/C, the use of DDT is harmful to wildlife and has little effect on the spread of malaria (I think at least, it makes the most sense.)