Answer:
D
Explanation:
Hydrogen, oxygen, and water are pure substances that each have different properties.
Although the 3 of them are pure substances, but they nonetheless have different properties. These properties could either be their physical properties, or their chemical properties. This is particularly so because since Oxygen and Hydrogen the major components in water have different properties, it is only right if their product, water, has different properties also.
Answer:
A hypothesis
Explanation:
A hypothesis is an explanation for those facts and can expierimented on.
Answer:
C. the same.
Explanation:
The drift speed of electrons in a circuit is the same all through the circuit.