Why is nitrogen so important to plants? Choose as many as apply A) it is necessary for metabolism B) it is a component of chlorophyll C) it allows oxyegen and carbon dioxide D) it is a component of proteins

The virus is considered to be are living item since they have hereditary material dnas or rnas. they can imitate and change. they respond to boosts, for example, radiation, chemicals, and warmth. they have antigenic properties. they are proficient to duplicate with a same hereditary constituent.