A piece of metal with a length of 2.83 cm was measured using four different devices. Which of the following measurements is the most accurate? O2.837 cm
O2.829 cm
O2.812 cm
2.805 cm

Which position represents spring in the southern hemisphere? a) b) c) d)

Select the correct answer from each drop-down menu.describe what happens to a carbon-11 atom when it undergoes positron emission.the decay of a carbon-11 atom _1_, and this causes it to emit _2_.options for 1: > changes a neutron into a proton> changes a proton into a neutron> is hit with a neutron> reconfigures its protons and neutronsoptions for 2: > a negatively charged electron-sized particle> a positively charged election-sized particle> two atoms and several neutrons> two neutrons and two protons

Which of the following represents the ester functional group? a. -coo- b. -cho c. -cooh d. c=o