Both. You can use it as singular or plural.
Answer:
3,2,1,4
Explanation:
as time goes on the water levels rise it expands the bay of the river
Sadly,I only know the answer to # 1.U,Me,and ur friends (or the animals trying to keep their family safe) and we/they are protecting the forest,we can't breath with out trees after all!
(C) earth's outer iron core
this is because iron is magnetic and therefore forms a strong magnetic field
