B cells play a crucial role in the defense of pathogens. They are responsible for producing antibodies that help fight the enemy.
<span>An easy way to calculate this function without using the SUM function itself is to simply place the two cell names together, separated by the plus sign. In this case, the syntax would simply read "=B7+E7", with dollar signs entered in as needed if the cell references need to be made absolute.</span>
The rate at which Tanya's turtle travels is 0.25mi/hr
This question is from a topic in mathematics called Rate.
<h3>Rate</h3>
This is a ratio in which different terms in different units are compared against each other.
In this question, for every 1/6 of an hour, the turtle is crawling 1/24 of mile.
Data given;
Let's express this mathematically

What this calculation shows is that the turtle travels at 0.25mi/hr
The rate at which the turtle travels is 0.25 miles in an hour or 0.25mi/hr
Learn more about rate here;
brainly.com/question/11408596
Answer:
The correct answer is - a, and b.
Explanation:
Plasticity is the ability of the change in the brain during course of life span. It is a remarkable ability to recovery after the surgery or removal of the part of the brain or injury to the brain.
The neurogenesis is the ability to the regeneration of the nervous system cell, it can occur in the adulthood as well however it takes approximately six week time.
Thus, the correct answer is - a, and b.