What is a "dead zone"? Question 16 options: Area of ocean with too little oxygen to sustain most life Natural areas, especially forests, where human actions have destroyed native species Section of an ecosystem being destroyed by invasive species Habitat for decomposers

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.