Answer:2/4
Explanation:
Divide the total by the wrinkled
Answer:
knowledge and valuable resources are shared among scientists
Explanation:
The best benefit and reason for joining a membership in a research community is that knowledge and valuable resources are shared among scientists. Since the entire community is working towards a common goal, then gaining information from everyone in order to get closer to that goal is priceless. Also, the ability to use high-end resources that would be impossible to use as a lone scientist due to its high price is also a very valuable benefit.
Answer:
melanin affects how one looks (1st question)
cause and effect (2nd question)
Explanation:
for the 2nd question, its cause and effect because uv rays hit our skin and our skin is affected which gives us suntan.
chemicals that are secreted from antigen-presenting cells then activate helper T cells describes the role of cell-to-cell communication during a response to an invasion of antigens.
Explanation: Antibodies are present on the surface of the cells, and binds specifically to antigens and can also engulf pathogen and process these cells presenting them to MHC class 2. This complex is activated by helper T cells to secrete antibodies and macrophages. This interaction of B-cell and MHC class 2 complex with helper T cell is cell-mediated immune response.
