Quick plzzz
oscar placed a beaker of water on a hot plate and recorded the temperature of the water for four minutes. he recorded his observations in the data table below.
based on oscar's observations, what is the most appropriate scientific question to ask?
a.
why does the temperature of the water remain constant while it boils?
b.
does water boil because the temperature is being observed?
c.
what causes the temperature of the water to decrease over time?
d.
why does the temperature of the water continue to rise while it boils?

To understand the electric potential and electric field of a point charge in three dimensions consider a positive point charge q, located at the origin of three-dimensional space. throughout this problem, use k in place of 14? ? 0. part adue to symmetry, the electric field of a point charge at the origin must point from the origin.answer in one word.part bfind e(r), the magnitude of the electric field at distance r from the point charge q.express your answer in terms of r, k, and q. part cfind v(r), the electric potential at distance rfrom the point charge q.express your answer in terms of r, k, and q part dwhich of the following is the correct relationship between the magnitude of a radial electric field and its associated electric potential ? more than one answer may be correct for the particular case of a point charge at the origin, but you should choose the correct general relationship. a)e(r)=dv(r)drb)e(r)=v(r)rc)e(r)=? dv(r)drd)e(r)=? v(r)r