The nucleus houses the genetic info of a cell. :)
Answer: Rrna is a part of ribosome that helps make protein and also links amino acids.
Explanation:
Answer:
The hardness rating is 4.
Explanation:
Calcite sits at a hardness rating of 3 and is very easily scratched with a knife and/copper coin. This is where most Marbles, limestones, travertines, rate.
Meanwhile, Fluorite sits at hardness 4 and can be scratched by a knife.
No caffein,there is a factor that must not be changed when conducting an experiment,known as controlled variable
