Answer:
Gaseous and low density is the phrase that best describes the outer planets of the solar system.
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Answer:
molten rock in the earth's crust. 1. The blazing magma was surging by us. 2. With the temprature cool, magma would be hardened into rock.
Answer : Option B) Cell theory has been unchanged for many decades and as a result can be accepted as fact.
Explanation : As cells are basic units of life and all the living beings are made up of cells, this was correctly defined by the cell theory. This theory is since its discovery not changed for many decades and is widely accepted as a fact too.
It depends on the disease. some disease like coronavirus spreads through spit or sneezing on someone. Other diseases like diabetes or cancer are spread genetically. Other diseases can be spread through germs or even airborne.
Hello!
Chemical reactions require energy to begin. The reactants must collide with enough energy for bonds to change. This energy is known as activation energy - the difference in energy between that of the reactants and the amount needed for the reaction to occur.
Catalysts lower the activation energy needed for a chemical reaction to occur, therefore also increasing the rate of a reaction. Enzymes are proteins which act as catalysts within cells.
Therefore, enzymes cause the activation energy to lower.
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