Answer:
A river basin or drainage basin is an area of land drained by a river and its tributaries. The edge of the drainage basin is known as the watershed. This can be compared to a sink or basin, which catches the water falling into it. The water travels towards the centre and leaves the sink through a plug hole.
<span>"DNA is used as a template to make RNA" is a part of the central dogma of molecular biology.</span>
A.true
It's because all arteries carry oxygenated blood from heart to the tissue,except for arteries pulmonary which carry deoxygenated
Blood.
All veins carry deoxygenated blood from the tissues to the heart except for pulmonary veins which carry oxygenated blood to the heart.
Microbial life is important because this is bacteria. these bacteria's supply health to humans and animals. even though they also supply sickness. also these microbial life forms are the cells in us. its the oxygen in the air, its the gravity. it is everything that defines science except we cant see it. hope it helps, tag me if you need help, and plz choose brainliest