Answer:
The main objective is to maintain "peace, harmony among the nations."
Explanation:
Some objectives of the United Nations are International peace and security should be maintained. Friendly relations between different nations on the terms of equality and also the principle of self determination should be developed. To foster worldwide cooperation so as to solve the economic, social, cultural as well as humanitarian problems. These things will certainly help to maintain the harmony as well as peace among all. It also works on the problems or the situation which arises and can often lead to the international friction.
<span>It's is the second one. The waste materials generated by one organism are often reused by other organisms.Mass, or matter, is conserved in all physical and chemical changes. Matter is not created or destroyed within ecosystems, it only undergoes physical or chemical changes. One example of this process is that the waste materials generated by one organism are often reused by other organisms as food or nutrients.</span>
Despite there being no answers listed by you, which the problem seems to be a multiple choice type of question, I'll go ahead and take a stab here.
What this problem is describing is basic nuclear fusion. Nuclear fusion is the process of which energy is released by a combination of two elements after they form into a brand new element. Once this happens, the bonded atoms have formed into a new, heavier nucleus.
