Answer:
Climate change threatens coastal areas, which are already stressed by human activity, pollution, invasive species, and storms. Sea level rise could erode and inundate coastal ecosystems and eliminate wetlands. Warmer and more acidic oceans are likely to disrupt coastal and marine ecosystems.
Answer:
Agriculture is the basic source of food supply of all the countries of the world—whether underdeveloped, developing or even developed. ... Raising supply of food by agricultural sector has, therefore, great importance for economic growth of a country.
EARTH CORE IS VERY HOT, VERY DENSE CENTER OF OUR PLANET
An island is a piece of land surroinded by water. Hawaii and The Keys are examples
Answer: 
Explanation:
We are asked to multiply 1 nano sec with 1 km/sec.
The conversion used from nano second to second
1 nsec = 
The conversion used from km to meters:
1 km = 1000 m
Putting the values we get:
Therefore, the given conversion is
