Question

Water in a river flows with 6 m/s. A person can row a boat in still water with 10 m/s. The ratio of
times taken along a shortest path and a path of shortest time to cross the river is

Answer 1

Explanation:

An ecosystem is a geographic area where plants, animals, and other organisms, as well as weather and landscape, work together to form a bubble of life. Ecosystems contain biotic or living, parts, as well as abiotic factors, or nonliving parts. ... Ecosystems can be very large or very small.