Answer:
We breathe in air which has a higher concentration of oxygen than carbon dioxide and we breathe out air with a higher concentration of carbon dioxide. Both the gases are present in the inhaled and the exhaled air.
<span> Cata9 Ambitious </span> This is a Verified Answer × Verified Answers contain reliable, trustworthy information vouched for by a hand-picked team of experts. Brainly has millions of high quality answers, all of them carefully moderated by our most trusted community members, but Verified Answers are the finest of the finest. The question is asking which market structure has a single company or seller in a market with many barriers to entry and the answer is C. Monopoly. A monopoly is a situation where only one company has a chance to sell their products. Think for example about a national post company that is the only company that has the right to enter people's houses and access their mailbox- this is an example of a monopoly.
Answer:
FALSE
Benito Mussolini was the leader of the Kingdom of Italy before & during WW2.
