Q: Answer the following question given this paragraph: Image copyright Vasiliy Koval, 2013, modified by CK-12 Foundation. The skull has fixed joints that do not allow any movement . Used under license from Shutterstock. com. Q: What kind of joints does the skull have that do not allow any movement? A:

OPTIONS:
- fixed particles
- fixed cells
- fixed plates
- fixed joints

A: fixed joints

Q: Answer the following question given this paragraph: Amines are molecules that contain carbon-nitrogen bonds. The nitrogen atom in an amine has a lone pair of electrons and three bonds to other atoms, either carbon or hydrogen. Various nomenclatures are used to derive names for amines, but all involve the class-identifying suffix ine as illustrated here for a few simple examples:. Q: What term is used to describe molecules that contain carbon-nitrogen bonds? A:

OPTIONS:
- compounds
- ions
- nitrites
- amines

A: amines

Q: Answer the following question given this paragraph: Flickr:xiquinhosilva. Oceans are made of a solution of salt and water . CC BY 2.0. Q: Oceans are made of a solution of what? A:

OPTIONS:
- water and carbon
- salt and carbon
- salt and algae
- salt and water

A: salt and water

Q: Answer the following question given this paragraph: Q: What two elements do chloroplasts split water into? A:

OPTIONS:
- vaporize and oxygen
- Salt and sodium
- Carbon and water
- hydrogen and oxygen

A:
hydrogen and oxygen