What is a glowing trail that results when a meteoroid burns up in earth's plz i need sorry that i put the subject as chemistry )

Ionic compounds are made of ions, and yet the overall charge of an ionic compound is neutral. why?

Modern weaponry has increased the number of deaths in wars and violent conflicts.

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