Vaccinations can help build immunity. Vaccines stimulate the body to make an immune response. What is in a vaccine that causes the immune system to respond? antibiotic

antiviral drug

spinach

killed or weakened pathogen

Which of the following represents a negatively charged ion? of t 7

If your client can successfully complete two or more repetitions above the desired repetition range in the last set in two consecutive workouts for any given exercise, the load should be depending on your client's current physical abilities. increased by 1-5% increased by 2-10% increased by 5-15% increased by 10-20% none of these

Identify the structure in organisms that do not have kidneys that is adapted to regulate water balance