Answer:
Akira turns in a written lab report to his science teacher. ... Akira writes in his notes that adding a catalyst sped up the chemical reaction because the catalyst lowered the activation energy needed to start the reaction.
Euglena are a unicellular organism. They are classified into the Kingdom Protista. They are then further classified into the Phylum<span> Euglenophyta. All euglena can make their own food by photosynthesis.</span>
Answer:
Taking antibacterial drugs for viral infections
Explanation
This is called a misuse of antibacterials also popular known as antibiotics. This results in an increased chance of bacteria developing mutations against the antibacterial hence rendering the drugs ineffective in treatment. They also form the risk of causing dangerous mutations that turn harmless bacteria into harmful bacteria.
By tar, I think you mean nicotine. (I Hope). It affects the nerve signals that regulate breathing.
History is the answer. Art, music and clothing are all trends where history is not