A: making s sandcastle. This is because water and sand is only a mixture, so they do not react with each other. All the rest include chemical reactions!
Answer:
I think
1. A
2. 400
3. 100
4. IDK srry
Explanation:
Ijust want to help, but I also want brainliest
Manganese has 25 electrons and is a transition element
Answer:
lymphocytes
Explanation:
it consists of the b and the t cells
the poly atomic molecule is H2