White blood cells that produce antibodies - Lymphocytes
Systems of blood vessels that are responsible for removal of bacteria from the blood stream - lymphatic system
Outer layer of the skin - epidermis
Inner layer of the skin - dermis
Joints are the places in your body where bones come together.
A seizure can be a sign of A. heart attack.
Seizures are changes in the brain's electrical activity that may lead to heart problems.
Poisoning, choking, and third-degree burns have nothing to do with seizures.
Answer:
d) correlational research
Explanation:
Because of the number of people in this study, researches have enough evidence for settle a relation among helping in different situations.
Correlational studies, are used in psychology to relate two or more variables. In this case, how is the behavior or disponibility of men and women in front of different events like helping animals, people in street, people in danger, etc.
The symbol for gold is Au
