The answer is contained in the attachent as the vulgarism cheker will not let me post it any other way.
<em>carbon has four valence electrons in its outermost shell .. which makes it able to form four bonds to complete its valence shell ..
it forms large number of chains with its own self which makes it useful .. also it forms bonds with oxygen and hydrogen forming large organic compounds of great importance ..</em>
Answer:
Pisciculture to hodowla ryb w zbiornikach lub zagrodach (stawach rybnych) w celu uzyskania produktów rybnych jako źródła pożywienia. Technika sięga wielu wieków. Rodzaje ryb produkowanych w hodowli ryb to dorsz, karp, łoso
Explanation:
A. Remain without change over time
Hope this will help :))