Answer:
vacuole
Explanation:
Remember vacuoles in plant cells are a lot bigger than there animal cell counterparts.
Answer: Metallic bonds between tin ions cause a sheet of tin to be malleable
Explanation:
Answer:
When an object is heated it Expand and when it cools it Contract
Explanation:
One of the effect of heat on matter is expansion. An increase in the temperature of an object causes it to expand and a decrease causes it to contract
Answer:
1. Planetary Model
2. Protons and Neutrons
Explanation:
1. planetary model is also known as quantum model, which is the model we use nowadays
2. Majority of the mass is from the total of neutrons and protons, electrons are so small that it is not included with the mass
Hope this helps
The ratio of the distance moved by the point at which the effort is applied in a simple machine to the distance moved by the point at which the load is applied, in the same time. In the case of an ideal (frictionless and weightless) machine, velocity ratio = mechanical advantage. Velocity ratio is sometimes called distance ratio.
