Answer:
it has a fixed volume it can also be compressed
Explanation:
a gases molecules don't move slow because they are not solid and are not compacted.
a gas does not have a fixed shape because there is nothing to hold its shape
The ratio of the measure of the central angle to the entire circle measure is 1/2
The area of the entire circle is 36
The area of the sector is 18
The property of liquid that create meniscus in glass tubes is Adhesion
<h3>What is Adhesion?</h3>
Adhesion is the property of liquid in which two different or disimillar molecules or surfaces to cling to each other. For example, solids have a very high cohesive properties and this make them not to stick to the surfaces they come in contact.
Therefore, Adhesion property of liquids creates a meniscus in glass tube.
Learn more about adhesion here.
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B) differences in temperature
Explanation:
The factor that most directly affects the flow of ocean currents is the differences in ocean temperature from one place to another.
Ocean current is the directional movement of the ocean water in its basin.
The main cause of ocean current is differences in temperature.
- Ocean water on the surface receives direct sunlight.
- This warms and the surface and decreases their density.
- When winds blows over them, they cool and sink under their own weight.
- The less cold water in depths rise to replace them.
- This exchange of ocean water due to loss and gain of heat cause ocean current.
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Some examples of exothermic processes include formation of ice cubes, condensation of rain from vapor, rusting iron, burning sugar and mixing water with acids. Examples of endothermic processes include melting solid salts, cooking an egg, baking bread, water evaporation and melting ice cubes.