Which of the following is true about strength training and cardiovascular exercise? OA. Strength training will weaken your cardiovascular endurance.
OB.
Strength training can improve your performance in endurance-type activities.
OC. A balanced exercise program includes both strength training and cardiovascular activity.
OD
Both B and C

The answer is organisational websites.

Answer active artificial immunization;

Anice cardio work out.

Immunization is the introduction of a foreign substance to provoke  the immune response system.  immunizations are the same as vaccinations. it introduces foreign (but dead/ weakened) illnesses to train the body to fight against them. specific viruses and bacteria have specific antigens, antigens act sort of like name tags. these name tags the immune system recognize what's dangerous to the body and what's safe.