Answer: Cellular respiration and photosynthesis are considered a cycle because the product (end material) of one reaction serves as the starting material for the other reaction. The starting material for cellular respiration is sugar and water and the products are carbon dioxide and water.
Explanation: hope it helped
The formula for this reaction would be
N + H3 ---> NH3
The first part of the reaction are the reactants and the second part is the product.
The reactants of this reaction are N and H3.
Or you could say the reactants are nitrogen and hydrogen
A renewable resource is a resource which can be used repeatedly because it is replaced naturally. Examples are: oxygen, fresh water<span>, </span>solar energy<span>, timber, and </span>biomass<span>. Renewable resources may include goods or commodities such as </span>wood<span>, </span>paper<span>and leather, because their sources are renewable</span>
Answer:
A physical quantity is a property of a material or system that can be quantified by measurement.