a running track has circumference of 400m. How many laps of the track should be completed during a 10km race

Select the correct answer. which statement is true about a polarized object? o a. it gains electrons and becomes negatively charged. ob. it gains protons and becomes positively charged. oc. the number of positive and negative charges can be the same. od. it has to be a metal. o e. there is no change in the distribution of the charge in the object. reset next what

Write the chemical formula for a compound that is made of an element from group 1 and an element from group 17

Can someone me with 6 to 10 plz this is for masteries test.