Answer:
A. Stores DNA
Explanation:
The nucleus of the cell holds the genetic information of a cell, which is known as DNA. The nucleus is also known as the control center of the cell because it dictates the type of proteins that will be made. These proteins are used for the cellular processes that determines its function.
Answer:
B
Explanation:
In heat transfer and thermodynamics, a thermodynamic system is said to be in thermal contact with another system if it can exchange energy through the process of heat. Perfect thermal isolation is an idealization as real systems are always in thermal contact with their environment to some extent