Answer:
Helper T-cells stimulate B-cells to make antibodies and help killer cells develop. Killer T-cells directly kill cells that have already been infected by a foreign invader. T-cells also use cytokines as messenger molecules to send chemical instructions to the rest of the immune system to ramp up its response.
In addition to shipping papers, a train crew must also carry a <u>paper document </u>showing the current position of each rail car containing hazardous materials in the train.
<h3>What are shipping papers?</h3>
Shipping papers of a train is called a "waybill" or "consist. These papers contain the details of the luggage and if there is hazardous material shipping from the train, the document of that material should be there.
It is necessary to take documents of the material that is loaded on the train or other vehicles for safety reasons.
Thus, in addition to shipping papers, a train crew must also carry a <u>paper document.</u>
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To learn more about shipping papers, refer to the link:
brainly.com/question/17151403
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Answer: If you can already run 3 miles, then give yourself 12 weeks to train for a half. If you can't run 3 miles, then start with a Couch to 5K (C25K) program and work up from there. Most C25K programs take you from zero to 3 miles in eight weeks. After you reach 3 miles, give yourself at least 12 additional weeks to train for 13.1 miles.
Answer:
c
Explanation:
Because you can buy low fat, low sugar products and always a great deal of fruits and vegetables.
The correct answer to your question is option A. Constipation.
A diet rich in fiber and fluids would be most beneficial for people with constipation.
I hope this helps! :)