The answer to your answer is B because who cares what your freinds think,from a personal experience I shouldn't but I do,but still I shouldn't and neither should you or anyone else for that matter.
Active immunity
Active immunity is when something triggers an immunity system to produce antibodies, this something being a vaccine. Hope this helps!
Answer:
The Human Excretory System
Explanation:
The Human Excretory System is crucial in removing or discharging wastes from the body. Wastes may come in the form of urine, earwax, excrement, sweat, carbon dioxide, etc.
The "skin" is part of the Excretory System that is responsible for removing<em> salts</em> from its surface in a process called<u> sweating</u>. On the other hand, the "lung" is responsible for excreting <em>"carbon dioxide</em>." Having high levels of this element in the blood will lead to <u>failure of the respiratory system</u>.
Many fast food restaurants have healthy choices on their menu. Salads with low calorie/ low fat dressings. Lean proteins like grilled chicken are also a good choice. A balanced diet is part of a healthy eating pattern, so eating fast food in moderation is a good choice.
Answer: They are extremely Optimistic.