C. Changes to biodiversity can positively and negatively affect an ecosystem.
Answer:
Your heart is a single organ, but it acts as a double pump. The first pump carries oxygen-poor blood to your lungs, where it unloads carbon dioxide and picks up oxygen. ... The second pump delivers oxygen-rich blood to every part of your body. Blood needing more oxygen is sent back to the heart to begin the cycle again.
Explanation:
Caryn has a 50 percent chance of developing Alpha-1.
The answer is attached in a file read it.
Answer:
An aquifer is a rock layer that stores groundwater and allows the flow of groundwater.
