Https://www.ncbi.nlm.nih.gov/pubmed/8300084
This might help
Drinking water shortages? Water across the world isn't purified which without purification doesn't quench thirst.
Answer: i would say the independent variable is the soil and the control variable is the seed because it stays the same in all of them to better understand the experiment while the dependent variable is the fertilizer.
Explanation: i am not completely sure but maybe someone else can also answer to verify it first
<h3><u>Answer</u>;</h3>
D. The Peyer’s patches can release B cells to destroy Listeria
<h3><u>Explanation;</u></h3>
- The lymphatic system helps maintain fluid balance in the body by collecting excess fluid and particulate matter from tissues and depositing them in the bloodstream.
- It also helps defend the body against infection by supplying disease-fighting cells called lymphocytes.
- <u>The lymph contains a high number of a type of white blood cells called lymphocytes. These cells fight infection and destroy damaged or abnormal cells</u>.
