Question

Fill in the blanks:

(a)______
such as penicillin and amphicillin are used to treat
infections.
(b)______
are added to food products to increase their shelf life.
(c) Substance that are burned for energy are called
(d)_______
concluded that elements are made up of extremely
small particles called atoms.
(e) ______discovered radium.
(f) ______are the chemicals used in order to kill insects.​

Answer 1

1. Penicillium
2. Vinegar or Lemon juice
3. Fuels

5.Marie Curie

6.insecticides

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