Which statement best explains why it is sometimes challenging to perform a cost-benefit analysis or a cost-effectiveness analysis when it comes to
actions that involve the environment?
O A. People experience no benefits from protecting the environment,
only costs.
O B. Economics involves only manufactured products and not natural
resources.
O C. Environmental economics does not use the same tools as
traditional economics.
O D. Assigning a monetary value to some ecosystem services can be
difficult.

Which table best shows the impacts resulting from human activity? impact of human activities human activity impact forest area cleared to construct an airport increase in oxygen level vegetation cleared to construct an oil mine increase in pollution impact of human activities human activity impact forest area cleared to construct an airport increase in sound pollution vegetation cleared to construct a power plant contamination of water impact of human activities human activity impact beehives cleared from urban areas increase in vegetation dams constructed on a river increase in fish population impact of human activities human activity impact beehives cleared from urban areas increase in bird population dams constructed on a river better quality of water

Why can't you grow plants with adhesion water?

Hemoglobin is a proton that carries oxygen around your body what is hemoglobin made from