Answer:
I think it's a
Explanation:
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Specialized proteins which function as catalysts for organic reactions are enzymes.
Answer:
potassium
The third alkali metal is K (potassium). The atomic number of K (potassium) is 19. Thus, the atomic number of third alkali metal is 19
Explanation:
Answer:
B.Add acid to water,not water to acid
Explanation:
they should not be mixed
Answer:
Ozone is a gas made up of three oxygen atoms (O3). It occurs naturally in small (trace) amounts in the upper atmosphere (the stratosphere). Ozone protects life on Earth from the Sun's ultraviolet (UV) radiation.
