4 because electrons and protons have the same magnitude and electron is - and proton is +.
A and d because a chain reaction can be really rare at times
A million years old
Duhhhh
Answer:
when it come to brass its heavier than water so it will
sink.
so it will be car oil, soap that's all i know
∵∴∵∴∵∴∵∴∵
⊕ΘΞΠΤ⊕
∵∴∵∴∵∴∵∴∵
