Development region is a designation for a territorial entity.
The number of events that occur in a given population in a given period of time is a RATE.
Sorry I don't know just need comments to get points, desperate need of help with maths home work xx
Memory B cells are the type of B cells which are formed after the primary infection.
These are important as they help in producing the more intense and accelerated immune response during secondary infection or when the same antigen or infectious agent enters the body.
They do so by producing the polyclonal response, that is, the same epitope is attacked by multiple copies of B cells.
Read more on Brainly.com -
brainly.com/question/796837#readmore
Teach others about the importance of the environment and how they can help save rainforests. Restore damaged ecosystems by planting trees on land where forests have been cut down. Encourage people to live in a way that doesn't hurt the environment. Establish parks to protect rainforests and wildlife.
Hope this helps
