Answer:
Lower the emission of carbondioxide gas and planting more trees.
Explanation:
Lower the emission of carbondioxide gas and planting more trees are the two measures that have been implemented at the national level of countries to ensure the sustainability of coral reefs. Carbondioxide emission is the main reason for the destruction of coral reefs because more carbondioxide emission causes decrease the pH level of ocean. This acidic water of ocean damaged the skeleton of coral reefs and as a result thousands of organisms lost their habitat.
One is B, two is C, and I'm not sure but I think three is A or C.
Answer: y=-3
Explanation:
Equation of a line that passes through (a,b) and (c,d) is given by :-

The equation of the line that passes through the points (-4,-3) and (3,-3) :

Hence, the equation of the line that passes through the points (-4,-3) and (3,-3) : y=-3
Japan is a small isle chain with millions of people due to the fact it is mainly arable (It allows for agriculture), but the fact is the increase technology brings up the population of Japan. Japan is also still influx of population by World war 2, as they had MILLIONS upon MILLIONS die on different isles, lands, etc. They also had a major emigration after WWII.