How is the loss of a keystone species from an ecosystem similar to the loss of an indicator species.

The y-value if a data point corresponding to x1

Which of the following always exist between two objects having mass ● elastic force ● contact force ●gravitational force ●magnetic force

28. the new systematic nomenclature was so ( that many chemists preferred to ( the older trivial names that were at least shorter. at least, that is the ostensible reason. actually, tradition seems to carry more weight than ( with some scientists.