I think its C - the use of technology to produce living things
Answer:
B.
Explanation:
The placenta is a flattened circular organ in the uterus of pregnant eutherian mammals, nourishing and maintaining the fetus through the umbilical cord.
Air pollution is usually with all the smoke from using fossil fuels, I would try not using them as much. Water pollution is usually from oil spills and garbage littered in water sources. Land pollution is a lot from landfills, we are using so much garbage it takes lots of landfills to hold them, I would start by recycling my recyclable products and using recycled products. {{{BTW this is not good 2 paragraphs, use more evidence and details and add more this is just some good ideas}}}
