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What two substances combine to make sugar by photosynthesis?
Carbon and hydrogen of course :::))Edited answer:CO2 and a five carbon atom compound called ribulose 1, 5-diphosphate
What two substances are given off during respiration and used again during photosynthesis?
Glucose and oxygen are used up during respiration.
What two principal substances make up a bone?
The two primary substances associated with healthy bones are both Calcium and Vitamin D.
State two substances that pass into the blood?
Two substances that pass into the blood include oxygen and carbon dioxide. The blood carries fresh oxygen to the cells and tissues and removes waste materials.
What are the two steps in photosynthisis?
The two steps in photosynthesis are the light-dependent reactions, which occur in the thylakoid membranes and require light to produce ATP and NADPH, and the light-independent reactions (Calvin cycle) that occur in the stroma and use ATP and NADPH to convert CO2 into sugar.
Two elements that are involved in chimical reaction?
its a compound...
Is the attraction of two ions a physical property or chemical property?
chimical
What are the two substances needed by plants to make sugar?
water and carbon dioxide
What two substances are needed by plants to make sugar?
water and carbon dioxide
What two substances are needed by plants to make glucose?
carbondioxide+sunlight+water=oxygen+glucose
What do you need for a chemical reaction to occur between two substances?
Sometimes, catalysts are needed. ---------------- An optimal level of the activation energy.
Which two types of substances are needed in a humans diet for energy?
Carbohydrates and fats are the two types of substances needed in a human diet for energy. Carbohydrates are the body's main source of energy, providing quick fuel for muscles and the brain. Fats are also important for energy storage and providing a slower, long-lasting source of energy.
What are two key substances that must be present for conduction?
Two key substances needed for conduction are electrons and a conductive material. Electrons serve as the charge carriers that move through the material, while the conductive material provides a pathway for the electrons to flow.
The dark reaction phase of photosynthesis occurs even without light as long as there suffcien supply of light reaction t lo?
The light reaction makes two substances needed by the dark reaction: ATP and NAPH. As long as these two substances are available the dark reaction can continue, even in the absence of light. However when they run out more light is needed to replace them.
What are two important substances needed for energy?
Two important substances needed for energy are glucose and oxygen. Glucose serves as a primary fuel source for cells, undergoing cellular respiration to produce ATP, the energy currency of the cell. Oxygen is essential for aerobic respiration, allowing cells to efficiently convert glucose into ATP while producing carbon dioxide and water as byproducts. Together, these substances enable organisms to perform vital functions and maintain life.
What are two or more substances that are together but not combined?
two or more subsantes (a mixture of substances) !
Why are two substances more poisonous than just the two substances by themseves?
Two is more stronger themselves
