What is the bone in your knee called?

Is tea good for you? if so what type of tea is good for you? and how much should i drink before it is a threat to my health?

Waste is deposited into in thin layers which are then compacted and covered with soil.

What does cooper mean when she says “…non-nutrient foods are really, really cheap which is why i say it’s a social justice issue.” (7: 50 in video)