Generally, yes it is true that store brands are cheaper than national brands. This is because they are often copies of existing brands using lower quality packaging/products.
Answer:
Joseph Lister successfully introduced carbolic acid (now known as phenol) to sterilise surgical instruments and to clean wounds. Applying Louis Pasteur's advances in microbiology, Lister accomplished the use of carbolic acid as an antiseptic, so that it became <u>the first widely used </u><u>antiseptic in surgery</u><u>.</u>
Answer:
People differ in the amounts of sleep and rest needed.
Explanation:
You did not elaborate. This was all I could think of.