It means you should go to the doctor.
Friction is harmful because if your riding and you suddenly stop the friction will make you keep going forward and you'll fall super hard on the concrete(my experience).You also lose your balance. Friction is helpful because it prevents you from hitting cars and pedestrians.
Answer:
Food Safety Hand washing
Explanation:
Sanitation is always important, and preparing food with unsanitary hands is unsafe for the consumer, and for you. Remember to wash your hands before AND after touching food, going to the restroom, or doing other tasks. It also helps stop the spread of diseases such as the Coronavirus, flu, and the common cold.
This will affect signal transduction at the synapse by fewer ion channels will open in the postsynaptic. The correct answer is D.
