Answer:
go to google then look it up
Explanation:
See how annoying this is? If you're going to answer someone's question, give an actual answer.
The answer is 60% are active
Answer: afforestation
Explanation:by planting trees they would be able to "inhale "the carbon iv oxide and in exchange exhale Oxygen
Tuberculosis vaccines are vaccinations intended for the prevention of tuberculosis. Immunotherapy as a defence against TB was first proposed in 1890 by Robert Koch. Today, the only effective tuberculosis vaccine in common use is bacilli Calmette-Guérin, first used on humans in 1921.
Variables is likely the correct answer.