An ecosystem is a balance environment where many organism interact with their physical environment. This system has a nature in controlling, balancing, and also stabilizing the organism inside its system and it provides them shelter, food and also protection depending to what kind an ecosystem is.
A “Euro” is a type of currency that is used in Europe so that people can buy and sell goods for the same prices or close to the same prices if they’ve been used.
The correct answer is letter A. a treaty signed by 190 countries whose goal is to limit the spread of nuclear weapons.
Here are the choices.
A. <span>a treaty signed by 190 countries whose goal is to limit the spread of nuclear weapons </span>
<span>B. </span><span>a treaty signed by five countries after World War II pledging not to use nuclear weapons </span>
<span>C. </span><span>a treaty signed by the US and Soviet Union to freeze the number of ballistic missiles </span>
<span>D. </span>a treaty signed by the US and North Korea to reduce the number of nuclear warheads
Answer: The answer is both I believe. :)
Explanation: