<h2>Answer:</h2>
Family of Synthetic Elements
<h2>Explanation:</h2>
In chemical Sciences a synthetic element is a chemical element that does not occur naturally on Earth, and it can only be created artificially in the laboratory. So far, 24 synthetic elements have been created in the laboratory and their atomic numbers lie from 95–118.
Answer:
An increase in the combustion of fossil fuels
Explanation:
Answer: b. reaction 3
Explanation: When an enzyme is present in a reaction acts as a catalyst, increasing velocity of reaction and decreasing the activation energy, when not present an enzyme the reaction velocity is very low and implies high activation energy, being unfavorable to the system
<span>The sum total of all the chemical reactions that occur in organisms is called-</span>Metabolism
Answer:
Roots help a plant grow by absorbing the water and nutrients from the soil
Explanation:
