Answer is: buffers.
Buffer solution is a solution<span> consisting of a </span>mixture<span> of a </span>weak acid<span> and its </span>conjugate base<span>, or weak base and its conjugate acid. Its pH changes very little when a small amount of </span>strong acid<span> or </span>base<span> is added to it. Buffer solutions keep pH at a nearly constant value.
</span>Some buffers are: ethanoic acid and sodium ethanoate, <span>ammonia solution and ammonium chloride.</span>
Answer:
b) is false coal is usually found in solid state.
Explanation:
Answer:
The tropical regions are subjected to extreme changes of season. The polar regions were populated earliest in the history of Earth.
Answer:
Bacteria has prokaryotic cells i. e. no true nucleus or membrane around the nucleus. They lack mitochondria, ribosome, lysosomes, endoplasmic reticulum, golgi bodies and cell wall.
Explanation:
Prokaryotes are the organisms which have no true nucleus while eukaryotes have true nucleus. True nucleus means that the membrane is present around the nucleus. Many organelles are also absent in prokaryotic cell which are present in eukaryotic cells.
Ghana is were there mostly found, hope this helps, plz make brainly-est