Answer the following question given this paragraph: 

19.3 The Human Population Earth’s human population is growing exponentially. Humans have increased their carrying capacity through technology, urbanization, and harnessing the energy of fossil fuels. The age structure of a population allows us to predict population growth. Unchecked human population growth could have dire long-term effects on human welfare and Earth’s ecosystems.


Q: Human population is growing exponentially and humans have increased what normally limiting factor through technology, urbanization, and harnessing the energy of fossil fuels?

 Choices:

- zero population growth

- mass extinction

- habitat loss

- carrying capacity

A:
carrying capacity
