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amm1812
2 years ago
12

11. Damaged seeds would ________ on top of water.

Biology
1 answer:
mafiozo [28]2 years ago
6 0

Answer:

11. Float

12. Bacteria

13. Polymer.

14. Hydrogen.

15. Water.

16. Climatic.

17. Prokaryotic.

18. Length.

19. Large.

20. Frequency.

Explanation:

11. Damaged seeds would float on top of water. This is because they are typically empty and as such lacking in any form of nutrient.

12. Cholera is caused by bacteria. This bacteria is scientifically called Vibrio cholerae.

13. Like synthetic fibre, plastic is also a polymer.

14. Metals react wih acids to produce hydrogen gas.

15. The Fire produced by oil cannot be controlled by water.

16. Migratory birds fly to far away places because of climatic changes.

17. Cell without well organised nucleus are called prokaryotic cells.

18. Time period of a pendulum depends on its length. Thus, the time period of a pendulum is directly proportional to its length i.e as its length increases, the time period also increase.

19. The size of pupil becomes larger when you see in dim light.

20. Shrillness of a sound is determined by the frequency of vibration.​ A shrill sound refers to a type of sound that is typically sharp, high pitched and as such has higher frequency.

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