I think its B but possibly C
The greenhouse effect is the rise in temperature that the Earth experiences because certain gases in the atmosphere (water vapor, carbon dioxide, nitrous oxide, and methane, for example) trap energy from the sun. Normal warming is mostly caused by natural gases.
Answer:
Density Difference us the most responsible formation of convention current
The water table rises and falls with precipitation. The correct option among all the options that are given in the question is the first option or option "a". It is important to know what a water table is. It is basically the level below which the ground water that is present is always in a saturated condition. I hope it helps you.
Answer: d. It is physically separate from the rest of the United Kingdom, a multinational state.
Explanation:
Northern Island is one of the constituent countries of the United Kingdom and from the map one can see that it is physically separated from the rest of the U.K. .
The entire island where the Irish countries are situated used to be part of the U.K. up until 1922 when the current Republic of Ireland seceded from the U.K. after the Irish War of Independence.