Who had government permission to run a steamboat business.
Freezer burn is the result of air coming into contact with food. When food is frozen, a bunch of water molecules within the food form ice crystals. ... The loss of these water molecules causes the food to become dehydrated.
Answer:
They break down the pathogens that enter the body
Explanation:
- Macrophages are the first line of defense .
- They engulf any pathogen that gets in their way in a process called phagocytosis
Phagocytosis
- When the macrophages ingest the pathogen ,the cell membrane surrounds the pathogen to form a vesicle known as a phagosome
- Later this phagosome is combined with a lysosome ,which is a vesicle containing digestive enzymes to form phagolysosome.
- The digest enzymes in the lysosomes breaks the pathogen down.
Answer:
the answer is a
Explanation:
I think it should be biological factors
I think its 3,2,4,1 or 4,1,3,2
