Afferent signals from external stimuli are carried by the

Which animal group is the largest and contains more species from all the other living groups combined? is it mammals or

Why is it important to reduce the number of chromosomes in half when forming gametes for sexual reproduction?

Some mining processes involve removal of large areas of earths surface in the mined region this practice causes severe environmental damage by allowing which natural process to accelerate in the affected areas? a.precipitation b.erosion c.migration d.condensation