Before a chemical reaction can start energy must be absorbed by the reactants. The amount that must be absorbed to start the reaction is called the activation energy. you're right, t<span>he activation energy must be reached.</span>
Answer:
Spread
Explanation:
People use envelopes very often. The germs people carry are put into the envelope and then it's sent out to many others.
The short segments of newly assembled DNA from which thelagging strand is built are calledOkazaki fragments. As replication proceeds and nucleotides are added to the sugar end of the Okazakifragments, they come to meet each other. The whole thing is then stitched together by another enzyme called DNA ligase.
The answer is punctuated equilibrium. This is a theory in evolutionary biology that says the evolution of different species proceeds in a characteristic way of relative stability for very long periods interspersed with shorter periods. During this period new species emerge as others become extinct.
Answer: I believe that the answer is D.
Explanation:
