B. static friction occurs.
Explanation:
When a body is pushed and it does not move, static friction has occurred.
Static friction is a type of friction that keeps a body at rest. It must be overcome before a body at rest can start moving.
- An object in motion experiences a sliding friction.
- Friction is generally defined as the resistance to motion of a body.
- In fluids, it is generally experienced as the viscosity.
- Static friction is the strongest of all the friction.
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Nucleus: contains protons and neutrons
electron cloud: surrounds the necules and contains the electrons
Electrons- negatively charged, smallest particle
Protons- positively charged
Neutrons- no charge
C3H8+ 5 O2 --> 3 CO2 + 4 H2O
44 g. --------> 72 g
33.3 g. --------> x

Answer: The theoretical yield of H2O is 54.5
Answer:
A substance composed of two or more metals is called an alloy
Explanation: