B is correct. Krypton is a noble gas which has a full outer shell of 8 electrons and is generally unreactive because of it.
The distinguishing characteristics of the free living members of sarcodina are:
1. These are pseudopods (function in locomotion) which makes it the extentions of protoplasm.
2. These have both a clear ectoplasm and a granualated endoplasm.
3. These have nucleus both food vacuoles and contractile vacuoles.
Carbon dioxide (chemical formula <span>CO2</span>) is a colorless and odorless gas vital to life on Earth. This naturally occurring chemical compound is composed of a carbon atom covalently double bonded to two OXYGEN ATOM
Photosynthesis uses the energy of sunlight to convert<span> water and carbon dioxide (reactants) into high-energy sugars and oxygen (products). ... </span>During light-independent reactions<span>, ATP and </span>NADPH<span> from the </span>light-dependent reactions<span> are used to produce high-energy sugars that can be stored for a long time.</span>
Answer;
-Oxygen
Explanation;
Both the glucose and oxygen produced in photosynthesis are used in aerobic respiration.
-Photosynthesis makes the glucose that is used in cellular respiration to make ATP. The glucose is then turned back into carbon dioxide, which is used in photosynthesis.
-While water is broken down to form oxygen during photosynthesis, in cellular respiration oxygen is combined with hydrogen to form water.