Why do legume plants enrich soil? a) they remove selenium a deadly poision b) they encourage breeding of earthworms c) their roots contain nitrogen-fixing bacteria d) their root system penetrate 2 meter below the surface

Competition occurs between species when

Mr. olajuwan was in a horrific snowmobile accident. afterwards he had trouble walking and he had a loss of balance. which of the 4 major brain region was probably demaged

Amylase becomes denatured at a temperature of 80°c. during an experiment to study the effect of varyingtemperature on enzyme activity, amylase’s reactivity with starch was measured at body temperature (37°c), andthen again at an increased temperature of 42°c. how would this increase in temperature affect the experiment