Q Q M T Ti 14v 36 4 Metabolism refers to the living organisms' bodies chemical processes of breaking down nutrients into energy. What do biologists call this process in the human body? F Ingestion G Digestion H Elimination Regurgitation PTAA GP(3) Grade 7 Science Page 2 5 Which of the following best describes the

plasma is the state of matter where the substance is ionized and has no definite shape or volume. the fact of being ionized makes the substance a good electrical conductor.

substituting a hydrogen atom with a halogen in a hydrocarbon:

- the single bond remains single. a is wrong.

- the bond with hydrogen is as strong as with a halogen. c is wrong

- a hydrocarbon is saturated if there is no double bond. we do not know that so d is wrong.

- carbon will always have four valence electrons. e is wrong.

by elimination, the correct answer is b. the boiling point of the new compound increases.