Answer:
I believe the best answer would be D,
Explanation:
The British established a penal colony at botany bay.
A broad, marshy, triangular area of land formed by silt deposits at the mouth of a river.
I took notes about this a long time ago
Answer: 180 degrees longitude
Explanation: I just looked it up
They are electromagnetic waves because mechanical waves have to be physically created by something, while electromagnetic waves are just emitted without any effort or force.
Answer:
like unemployment,waterlogging in wetland areas,salinity in arid and semi arid areas,acidity in high rainfall and so on...
