Answer:
sorry I don't know the answers
The build up in the child's ear prevent sound from reaching the eardrum.
The correct answer is:
Explanation:
Through the actions of decomposers, phosphorus and sulfur are reacted to the soil. Decomposers are organisms that break down stagnant or decaying organisms, and in doing so, they bring out the natural process of dissolution. Their energy is earned by the use of organic substrates.
Answer:
Controlled variables are variables that do not change, they stay constant throughout the experiment and are the same among each experimental group. So for this experiment, some controlled variables would be;
- Amount of sunlight
- Amount of water
- Time to grow
- Type of plant
- Soil to grow in
it powers machines and devices it gives you light and it makes the buildings run
