Answer:
This can include plants, animals, viruses and bacteria, single-celled organisms, and even cells. Life sciences study the biology of how these organisms live, which is why you may hear this group of specialties referred to as biology.
Explanation:
What is the actual question???
Any practices should best be based on a research - this is the correct answer. (a. child development and research) Research is the best source of actual knowledge, rather than people's best guesses (people's best guesses might lead government regulations, but it would be better if they also followed research results.).
Deforestation, it doesn’t add any carbon dioxide.
But it does decrease the carbon dioxide turning into oxygen.