Answer:
The answer is natural selection.
Explanation:
Natural selection will make an organism to survive and reproduce because, it will be better suited to the environment.
This is the reason why natural selection is considered as a key mechanism of the evolution.
A living entity is referred to as an organism. In order of size: cell, tissue,organ,organism.
The flu vaccine is essential in our society and should be encouraged and financed whenever necessary. That's because, as we know, the flu is a disease of rapid proliferation and that imposes risks to the lives of some people. The vaccine has the ability to reduce the risk of a person being infected with the flu virus by 50%, this percentage is essential for people who are more sensitive to this virus such as the elderly, pregnant women and people with respiratory problems.
In addition, it is important that the manufacture and distribution of this vaccine is always financed, because the flu virus is a very changeable circle that is constantly changing and needs to be combated annually.
When oxygen is absent, anaerobic respiration occurs ('an' means without).
Answer:
it reduces ths acid in the body.
Explanation:
when you have stomach problems they usually pres ribe you with an antacid and that reduces the acid that is occurring and helps with the problem.