A country that does not have a sea​

Explain why components that are naturally found in air can be considered air pollutants.

In a world that produces enough food for every human, why is the distribution of food consumption and production so unequal? in a few sentences, explain why production and consumption of food is lower in the least-development countries (ldcs).

Can someone me? i need to have this done as soon as possible! i'm putting 20 points on this!