Answer:
semimetals or metalloids.
Explanation:
Answer:
A communicable disease
Explanation:
Diseases that can be transferred are known as communicable diseases.
Answer:
hypothesis
Explanation:
a question that can be answered wity a hypothesis is a question a scientist can answer
Answer:
Choice A.
A low birth to death ratio
Explanation:
A low birth to death ratio means that people are dying faster than they are being born. This leads to a decreasing population size.