The first answer gets !what are the three most abundant elements found in earth's crust that combine to form minerals? a. iron, aluminum, magnesium b. oxegyn, silicon, aluminum c. oxegyn, silicon, iron d. silicon, iron, aluminum

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