C. 6.81x10^-4
It is negative 4 because the 6 is 4 digits away from the first 0.
Scientific notation has one number and then the decimal place so it can not be A or E.
Answer:
* What is meant by coastal management?
coastal management is a defence technique to prevent or lower the occurrence of flooding and erosion, and ways to stop erosion from claiming lands. Protection against rising sea levels in the 21st century is crucial, as sea level rise accelerates due to climate change.
* Why is coastal management important?
The reason for coastal management is obvious, which is to protect homes and businesses from being damaged and even destroyed by coastal erosion or flooding. Failure to do so can have severe economic and social effects, especially along coastlines which are used for tourism and industry.
Answer:
A. African faiths and Catholicism
The Olmecs, aka the earliest known major civilization in Mexico following a progressive development in Soconusco. They lived in the tropical lowlands of south central Mexico