PLS ANSWER NEED HELP If an uncharged piece of metal touches a positively charged glass rod, the charge is transferred by

A. friction.

B. conduction.

C. reduction.

D. induction.

the menstrual cycle – higher tier. negative feedback mechanisms affect the production of hormones in the menstrual cycle. oestrogen also stimulates the release of lh (luteinising hormone) from the pituitary gland, which in turn controls the production of progesterone.

in 1859, charles darwin set out his theory of evolution by natural selection as an explanation for adaptation and speciation. he defined natural selection as the "principle by which each slight variation [of a trait], if useful, is preserved".