They use there knowledge to prevent or treat disease, develop new technologies and improve our lives in general. Their contributions imported to science because it helps us with things that are ill to our body, like diseases.
That would be called Classification
Your correct answer would be C. plant cells have mitochondria, a very important part of the cell, which means the plant cell needs structure to carry mitochondria throughout the cell to keep the flow of the process of photosynthesis, which brings energy to the plant.
Hand sanitiser, bactirea killing wipes, gas mask, gloves hasard suit, ect
but washing your hands is good too XD
