Antibiotics killed bad bacteria . that means white blood cell resistant bacteria
<span>After a long time, a mature community is established and this community does not change unless it is disturbed.</span>
Answer:
a radio uses the reflections of a coil of wire placed in a permanent magnetic field.
The art or practice of graphic delineation in detail usually on maps or charts of natural and man-made features of a place or region especially in a way to show their relative positions and elevations.