Answer:
A group of bacteria that accumulate in layers and secrete a protective extracellular material. (Option A)
Explanation:
Biofilm is defined as one or more types of microorganisms collectively grow in different places. Organisms that form the biofilm include protests, fungi, and bacteria.
Dental plaque is an example of a biofilm. It is a known buildup of slimy bacteria that forms on the teeth surface. Biofilm can grow on different surfaces such as animal tissues, plant tissues, minerals, metal, etc.
Because blue pigment in nature
The answer to the problem is 2,677 mi
it's a learning process called classical conditioning
basically it's broken down into I think three different sections. and it's made to help people adjust to for example trauma and in the classroom with students having a hard time reading out loud they have this program called the Pavlov theory that they have tried to incorporate to help a child be more ease and comfortable in their surroundings