Answer me question no.4 and 10
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Answer:
1_The characteristics of particles of matter are:
All matter is composed of very small particles which can exist independently.
Particles of matter have spaces between them.
Particles of matter are continuously moving.
Particles of matter attract each other.
2_A diver is able to cut through water in a swimming pool because being a liquid it has weak inter molecules force of attraction between the molecules. A diver is able to cut through water in a swimming pool.It shows that particles of matter have space between them.
2b_The smell of hot sizzling food reaches you several meters away, but to get the smell of cold food you have to go close. ... At higher temperatures, particles have high kinetic energy and move faster hence, the particles of hot vapours from hot food move faster.
3a_Distance is a scalar quantity that refers to "how much ground an object has covered" during its motion. Displacement is a vector quantity that refers to "how far out of place an object is"; it is the object's overall change in position.
b_A quantity that has magnitude but no particular direction is described as scalar. A quantity that has magnitude and acts in a particular direction is described as vector.
5_Lysosomes act as the waste disposal system of eukaryotic cells, whereas the Golgi Apparatus acts more like a post office and sends proteins to different parts of the cell or outside the cell.
6_A plant cell contains a large, singular vacuole that is used for storage and maintaining the shape of the cell. In contrast, animal cells have many, smaller vacuoles. Plant cells have a cell wall, as well as a cell membrane. ... Animal cells simply have a cell membrane, but no cell wall.
8_Amoeba takes in food using temporary finger-like extensions of the cell surface, which fuse over the food particle forming a food vacuole. ... The remaining undigested material is moved to the surface of the cell and thrown out.
9_The full form of RNA is Ribonucleic Acid.
DNA ( deoxyribonucleic acid)
ATP=Adenosine Triphosphate.
SER=Smooth Endoplasmic reticulum.
10_Distance covered in one round =200π
Time is taken by an athlete to complete one round = 40 seconds.
