Answer:
chemical change
Explanation:
chemical change requires energy in the form of heat or electricity.
Pretty sure it’s a Lunar Eclipse
Answer:
The methods commonly used to prepare emulsions can be divided into two categories
A) Dry gum method
B) Wet gum method
B positive and negative ion
Answer:The same chemical element can have a different number of neutrons and still be the same element. We refer to the atoms of the same element with different numbers of neutrons as "isotopes"
Explanation:
