I’m not an expert but I’d say B
Answer:
you don't earn money while volunteering
volunteering aboard can be expensive
many volunteers have too high expectations
Explanation:
I searched it up and took time to read
Answer:
The Biosphere
Explanation:
The biosphere is made up of all living organisms and is inextricably linked to the other three spheres: most live organisms need gases from the atmosphere, water from the hydrosphere, and nutrients and minerals from the geosphere.
To calculate the population density, you will divide the population by the size of the area. Hope I helped!
