Mechanical waves cannot move without a medium
ANSWER; C carol and Jose's plate contains streptococcus bacteria that could be potential dangerous for humans.
Answer:
The second one is correct
Explanation:
A leukocyte is responsible for the immune system
The speed of sound wave is slower than electromagnetic wave.
Answer: Immune system
Explanation:
Lymphocytes are a class of white blood cells (leukocytes) involved in immune response when activated by the a foreign molecule (an antigen). B lymphocytes develop in the bone marrow of mammals and are responsible for the production of circulating antibodies.
Thus, lymphocytes are associated with the immune system.
