Answer: The role of substance A in photosynthesis is: it combines with water to form glucose.
Explanation:
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...
Answer:
The glucose and the oxygen travel out into the body through the circulatory system to reach cells that need energy. The cells use the glucose and oxygen from the circulatory system for energy production.
Answer:
D
Explanation:
it has to be D because its talking about "how does a volcanic ash affect water systems"
