What happens when a chemical hand warmer is unwrapped and starts to work? A. A physical change absorbs thermal energy. B. A chemical reaction absorbs thermal energy. C. A physical change releases thermal energy. D. A chemical reaction releases thermal energy.

If a bottle of olive oil contains 1.4 kg of olive oil, what is the volume, in milliliters ( ml ), of the olive oil?

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

What metric units would you use to measure the thickness of a key