No of electrons is equal to no of protons so it will have 10 protons
I think it’s T lymphocytes?
It says: T lymphocytes attack antigens directly and help control the immune response. They also release chemicals, which control the entire immune system....
Answer:
the first wave of extinction may be related to rapid cooling at the end of the Ordovician Period, and the second phase is widely regarded as having been caused by the sea-level fall associated with the glaciation.
I’m so sorry if it’s wrong but I’m going to say that answer for
10.) D.
11.) C.
