It may just be my internet but the picture is just white. maybe try reposting this..?
It is caco3 ok thats the answer
The answer is b because the autor in the passage said .
Answer:
Convection is a type of heat transfer that only happens in liquids and gasses. Convection happens when there is a difference in temperature between two parts of a liquid or gas.
Explanation:
Answer:
Sodium chloride is formed from a single replacement reaction.
Explanation: