I believe the first step in recording an impression is taking a photograph without casting.
Answer:
Biotic Factors are living things
and Abiotic Factors are non- living
Explanation:
I think you spelled the question wrong
Answer:
An immune response is a reaction which occurs within an organism for the purpose of defending against foreign invaders. The first contact that an organism has with a particular antigen will result in the production of effector T and B cells which are activated cells that defend against the pathogen.
Explanation:
