Friction helps stop a bike when you use the brakes, but it can be harmful by slowing your speed down, if you hit the brakes hard at the sudden moment, you could possibly tumble and or fall. It also causes heat, so if not used correctly, that can be an injury. If you were to fall from the sudden stop, you could possibly hit the ground which can cause a knee injury and or scrapes.
Answer:
All of the choices are ecosystem services.
Explanation:
Trees' roots hold soil down so it doesn't move everywhere and they recycle carbon into oxygen. In addition, they provide us wood and beautiful wildlife!
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Universe, galaxy, solar system, star, planet, moon
Answer:Measles is a highly contagious virus that lives in the nose and throat mucus of an infected person. It can spread to others through coughing and sneezing. If other people breathe the contaminated air or touch the infected surface, then touch their eyes, noses, or mouths, they can become infected.Measles is caused by a virus in the paramyxovirus family and it is normally passed through direct contact and through the air. The virus infects the respiratory tract, then spreads throughout the body. Measles is a human disease and is not known to occur in animals.
It usually begins as flat red spots that appear on the face at the hairline and spread downward to the neck, trunk, arms, legs, and feet. Small raised bumps may also appear on top of the flat red spots. The spots may become joined together as they spread from the head to the rest of the body.
Explanation: