Answer:new. chemicals are produced so quickly that living that's do not have time to adapt
Explanation:
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.
Answer:
C) the facial nerve (VII)
Explanation:
The facial nerve (VII) is a cranial nerve. The cranial nerves are those nerves which arise from the brain. Most of the cranial nerves contain both motor and sensory neurons. Cranial nerves are connect to the various organs. Cranial nerves are associated with parasympathetic nervous system.
The facial nerve supplies nerve to many glands of the head and neck including lacrimal glands.
Thus, the facial nerve (VII) provided the stimulus to the lacrimal gland that cause tear while chopping oninons.
Immune tolerance is the lack of capacity to increase the
reaction to antigens. The tolerance can either be natural or “self” tolerance. On
the other hand, licensing is a kind of protein that lets replication for cells.
They usually happen with eukaryotic cells and they begin with the replication
of DNA.
Answer:
Theme is the central idea or insight about life
Explanation:
