The number of electrons in the outermost shell of an atom determines its reactivity.
Animals use the respiratory system to breathe in oxygen and other gases and expel gases like CO2, right? O2 in, CO2 out.
Explanation:
During the process of photosynthesis, cells use carbon dioxide and energy from the Sun to make sugar molecules and oxygen. ... Then, via respiration processes, cells use oxygen and glucose to synthesize energy-rich carrier molecules, such as ATP, and carbon dioxide is produced as a waste product.
The correct option is this: THE TROUTS GROW FASTER BUT HAVE SHORTER LIFE SPAN.
Trouts live in fresh waters such as streams and lakes, they feed on microscopic organisms, small fish and insects. They have a maximum length of about 35 inches and they are excellence sources of omega 3 fatty acids. Trouts have relatively short life span.
