Size or weight of the radioactive source.
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:
Attention and working memory are both key to learning new information. Attention allows information to be taken in. Working memory helps the brain make sense of it.
Explanation:
