Answer:
A. chromosomes are made of DNA
Explanation:
Chromosomes are structures within cells that contain a person's genes. Genes are contained in chromosomes, which are in the cell nucleus.
<span>The simplest, yet most effective method of preventing the spread of an infectious disease is to </span>wash your hands in between patient contacts.
Washing hands regularly in the right moment will cause the pathogen harder to spread, thus making it less likely to infect other people.
I believe the answer is b hope this helps
Answer:
Increasing surface water percolation and infiltration into the groundwater
Explanation: