(03.03 LC) Use geographic terms and tools to explain why ancient civilizations developed networks of highways, waterways, and other transportation linkages. Which of the following did the Incas use to traverse mountain passes?

A) bridges
B) tunnels
C) highways
D) elevated roads

Where can dna be found in a prokaryotic cell

Explain why ecosystem diversity results in species diversity in a healthy biosphere

Ineed to get this test done which of the following statements is correct in hour our immune system responds to a potential pathogen? a.) the skin will be the first line of defense, and then the many phagocytes in the bloodstream will attempt to consume the possible pathogen. b.) b cells will start reading the antigen code immediately and call t cells to assist in destroying the pathogen. c.) the adapted immune system will call on the innate immune system to destroy the pathogen. d.) the t-cells in the adapted immune systems are the first to recognize the pathogen