Answer:
18 years old or when they become mature.
Explanation:
Answer:
O D. It has an -OH group attached to the end of the molecule.
Explanation:
Some alcohols have hydroxyl group (OH) attached to the end of a molecule and some have it attached as a branch on the molecule

- R is aryl or alkyl group
- OH is hydroxyl group
The Lithium-ion Battery Problem
Overheating. They overheat and explode if charged too fast.
Short life time. They die after less than 1,000 charge/discharge cycles.
Flammable. They use chemicals that are flammable. ...
Toxic. ...
Underperform in extreme temperatures. ...
Expensive casing. ...
Expensive to transport.
The electron dot diagram tells
us about how many electrons are being shared between atoms. Also, the number of
valence electron to be shared corresponds to the group number the element
belongs. Say for example H2O, hydrogen has one valence electron and oxygen has
two valence electrons.
Answer:
D
Explanation:
Universe consits of galaxies, galaxies consit of solar systems, and solar systems consist of planets