Answer:
Infra- means "below;" so the infrastructure is the "underlying structure" of a country, state, etc. and its economy, the fixed installations that it needs in order to function. These include roads, bridges, dams, the water and sewer systems, railways and subways, airports, and harbors.
I tried, hope this helps :)
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:
