The answer is D its tightly packed cells allow for proctection against harmful substances.
Answer: I’m pretty sure the answer should be “B”
the answer is a because if the model is based on experimental data it wont be good unless it has been tested.
Answer:
abnormal development or growth especially of cells.
Carbon dioxide is added to the atmosphere naturally when organisms respire or decompose (decay), carbonate rocks are weathered, forest fires occur, and volcanoes erupt. Carbon dioxide is also added to the atmosphere through human activities, such as the burning of fossil fuels and forests and the production of cement.
