The two main functions of roots are to deliver water and nutrients to the plant or tree and provide an anchor that keeps the plant or tree in the soil. Roots are generally the first part of any plant that emerges during germination.
Observation would be correct because we observe and make conclusions based on our five senses, which can be done by seeing, hearing, smelling, etc. and all of these can be factual because they’re through observation
Answer:
2. temperature
Explanation:
The independent variable is the variable that you change. Since you are changing the temperature to find bacteria growth, bacteria growth is the dependent variable and ph level is the control variable.
Geonotype: Gg phenotype: green seed
Answer: It provides nutrients and habitat to organisms living in the soil, organic matter also binds soil particles into aggregates and improves the water holding capacity of soil.