Answer:
maybe there was a human that wasn't a mammal.
Explanation:
they could of
D is the answer can I be marked as brainiest
B. Mitochondria
The mitochondria is where ATP is made, hence why it is often called the "powerhouse" of the cell.
Answer:
yes
overpopulation, pollution, burning fossil fuels, and deforestation. Changes like these have triggered climate change, soil erosion, poor air quality, and undrinkable water.
Explanation:
B.https://www.mansfieldct.org/Schools/MMS/staff/hand/genNaturalselection06.htm this is where I got my source.