I think it's B., calcite.
Not sure though.
Hope this helps,
-Tiara
All cells have a nucleus in the middle of it (Hope that helps)
It’s false bc it has a variety of positive effects
Answer:
However, graphene has far fewer electrons than copper, so in graphene the electrical current is carried by only a few electrons moving much faster than the electrons in copper." In semiconductors, a different measure, mobility, is used to quantify how fast electrons move.
