I think the best answer would be A. since the number of prairie dogs decreased from the picture on the left to the picture on the right. Hope this helped :p
Answer:
Proton has a positive charge.
Neutron has a neutral or no charge.
Electron has a negative charge
Explanation:
Trust me
B .How organisms could change .
Answer:its c
Explanation: because cells need the nutrients from any substance that has the energy carbon dioxide is like for oxygen