Classification is subject to change because science is an evolving subject. New things are discovered every year and thus changing the way we understand the world around us.
Vaccine immunization is the correct answer I really hope that this helps and
Answer:
1. nitrogen fixing bacteria soil converts excess "nitrates"
Explanation:
usually caused by low h2o, water movement and lack of minerals to filter water and kill bacteria..
2 primary components of septic system are tank and a septic pump to regulate waste and store it in a tank underground. when full, a service has to engage in emptying the tank or it will contaminate water supply...
The Declaration contained 3 sections: a general statement of natural rights theory and the purpose of government; a list of grievances against the British King; and the declaration of independence from England.
The Declaration of Independence is made up of five distinct parts: the introduction; the preamble; the body, which can be divided into two sections; and a conclusion.
