Answer:
salt
Explanation:
if water has salt it is no longer considered fresh, rather it is salt water
Replication of the DNA and cell growth occur during the S-Phase of the cell cycle.
A
it's the most grammatically correct and understandable
The cell membrane is very important to the cell structure. It helps hold everything within the cell and serves as a protective covering as well.
Answer: 3. They were born of one fertilized ovum.
Explanation: A zygote is formed
when an egg is fertilized by a sperm. The zygote then undergoes a mitotic division into two and each half will further develop into a separate embryo. The two embryos formed will develop into identical twins.
