What is one example of the use of an infrared sensor?

track shipment of packages

monitor building entry and exit

water flows without turning on a faucet

bar code scanners keep up with inventory supplies

What type of reaction is shown below? check all that apply. 2h2o2 → 2h2o + o2 synthesis decomposition combustion

Question 3(multiple choice worth 4 points) (04.04 lc) what does it mean when an element is reduced? it empties a valance shell, reducing its atomic radius. it gains electrons, reducing its overall charge. it increases electronegativity, reducing its ability to bond. it loses electrons, reducing its electron number.

Most metamorphosis processes take place