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.
The two arteries that support the brain are the vertebrals and internal carotids. Hope this helps!
Can u plz mark me as brainliest?
Answer:
What characteristics of axolotl do you consider have contributed to its survival?
- It has the ability to regenerate from its legs and tail to part of its vital organs such as the heart and brain.
- Axolotls, unlike most amphibians, retain their larval or baby characteristics, such as their gills and fins, throughout their lives. This phenomenon is known as neoteny.
- They breathe in various ways. Its horns are not decorative, they are actually gills through which it breathes. It also performs this process through the mouth, skin, and lungs.
Answer:
Physical science is the study of the inorganic world. That is, it does not study living things.
Explanation:
<h3>Hope it helps!! </h3>
I don't know about the other ones but the sky is blue because molecules move from the sun than the red from the sun. The blue has separated from the sun.
