Tion 2 The substance whose Lewis dot structure shows a double bond is:
Select one:
HCI
H2O
о
СО
co

The speed of  sound:   sound travels  at different speeds depending on what it istraveling through. of the three mediums (gas, liquid, and solid)  sound waves travel the slowest through  gases, faster  through  liquids, and fastest  through  solids.

We can use solar powered cars or ride bikes instead of cars that burn fossil fuels