It’s the 3rd one okkkkkkkkkk
Dissolved O2 conc. in flask with algae will be higher since photosynthesis produces O2.
Answer:
Explanation:
Often abuse occurs as part of the three-stage cycle. They cycle of violence consists of a tension-building stage, a violent episode, and a calm or "honeymoon" stage. During the tension-building stage, the victim may try to please the abuser or reason with the abuser to prevent
Covalent bonds are formed when two atoms are able to <em>share</em> electrons.
Iroinic bonds are form when two atoms are <em> </em> electrons from each other to complete the bond. This results in a pair of ions.
<u>Covalent bonds:</u>
- Have a definite shape.
- Have a low melting point.
- At room temperature they are in a liquid or gas.
- They occur between two non-metals.
<u>Ionic bonds:</u>
- Have no definite shape.
- Have a high melting point.
- At room temperature they are solid.
- They occur between a metal and a nonmetal.