Chemistry, 10.12.2020 18:10 iwannasleep

If you can help, please do. I have D- in this class and i need it to a C- ( this is the last assignment). Friction occurs because the microscopic
of two touching surfaces stick to each other.
A. tunnels and rivers
B. hills and valleys
C. hills and rivers

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If you can help, please do. I have D- in this class and i need it to a C- ( this is the last assignm...