The PH of water is 7 because it contains an equal amount of h and oh- ions.
The answer is 10.81 g of boron.
Answer:
Explanation:
1. Calculate the energy needed

2. Convert calories to joules

From shortest wavelength to longest wavelength: ultraviolet ,visible light ,infrared
Answer:
4. D
5. A
Explanation:
4. it is D because hot weather's away easily naturally but when it's wet it breaks off very easily.
5. Organic matter includes any plant or animal material that returns to the soil and goes through the decomposition process. In addition to providing 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.