How is the 3rd line of defense (adaptive immunity) different than the first two?

A)It gives a specific, targeted response.
B)It prohibits pathogens from entering the body.

Which best describes the scientific process

What are some possible short and long term medical concerns for crew members on longer space exploration trips

Svetlana and her mother are very similar. both have blonde hair, a love of scrapbooking, blue eyes, and a thin nose. which statement  most likely  describes svetlana’s traits? svetlana inherited her love of scrapbooking from her mother, but her blue eyes come from her environment.svetlana inherited her blue eyes from her mother, but her love of scrapbooking comes from her environment.svetlana inherited her thin nose from her mother, but her blonde hair comes from her environment.svetlana inherited her blonde hair from her mother, but her thin nose comes from her environment.