Answer:
Hills are higher than plains, but not as high as mountains. You can go up a hill and come down a hill. They are a few hundred metres high. You can’t go up a plain, because it’s a large area of flat land where there are neither hills nor mountains.
AIDS. It’s when hiv progresses and destroys your immune system a lot. So the answer is A. I hope this helps!
unhealthy eating habits arent a disorder
heya..
I'm an Indian...
I joined here to see what's different here..!!