Determining the weight of 100 CDs depends on whether only the CDs are weighed or if the CDs have sleeves or jewel cases. A single CD by itself weighs about 0.58 ounces. Therefore, 100 CDs by themselves weigh 58 ounces.
Plants need nitrates to develop green leaves. Nitrogen, potassium and phosphorus are the three major nutrients plants need to grow successfully. In particular, nitrogen is responsible for foliage development. Plants use nitrogen in the form of nitrates, which is nitrogen mixed with oxygen. They usually absorb nitrates from the soil.
Why does the plant need phosphorus for? Phosphorus is essential for all living things as it is constituent of protoplasm. It is available to the plants in the form of Phosphates it is necessary to assist the transfe â¦ r of food around the plant and encourages healthy roots. Does Phosphorus help plants grow? it obviously only helps it make flowers!