Answer:
The answer to this question would be True.
Explanation:
The first time an allergen is introduced into your immune system, it triggers a response to create antibodies against the allergen. Only subsequent exposure to the allergen triggers anaphylaxis.
Hopefully this helped.
Diffusion -SKx is your answer. Hope this helps! ;D
Almost positive it’s Sperm Cells
Answer:
An unconformity represents time during which no sediments were preserved in a region
Explanation:
there are three types of unconformities,disconformities, nonconformities, and angular unconformities.
