<u><em>Ponds and rivers are two types of . . . . freshwater ecosystems</em></u>
It is a chemical <em>process</em> - an oxidation.
Answer:
SCl4
oxidation state of sulphur=+4
oxidation state of chlorine=-4
oxidation state of one chlorine atom=-1
Answer:
Identifying whether or not an element is an ion is a very simple process. Identify the charge of the element. ... The number of electrons is equal to the atomic number minus the charge of the atom. Refer to an element with either a positive or negative charge as an ion.
The Sun is the major source of energy for organisms and the ecosystems of which they are a part. Producers, such as plants and algae, use energy from sunlight to make food energy by combining carbon dioxide and water to form organic matter. This process begins the flow of energy through almost all food webs.
